diff --git a/README.md b/README.md
index 2751911..7384d3e 100644
--- a/README.md
+++ b/README.md
@@ -201,7 +201,7 @@ I tried to make it as customizable as possible, if you find you need to change s
 
 customization can be achieved by calling the `setup()` function or individually sending parameters to a builtin command, for exmaple:
 ```lua
-:lua require('fzf-lua').files({ fzf_layout = 'reverse-list' })
+:lua require('fzf-lua').files({ fzf_opts = {['--layout'] = 'reverse-list'} })
 ```
 
 Consult the list below for available settings:
@@ -224,8 +224,17 @@ require'fzf-lua'.setup {
     hl_border        = 'FloatBorder',   -- window border color
   },
   -- fzf_bin             = 'sk',        -- use skim instead of fzf?
-  fzf_layout          = 'reverse',      -- fzf '--layout=' options
-  fzf_args            = '',             -- adv: fzf extra args, empty unless adv
+  fzf_opts = {
+    -- options are sent as `<left>=<right>`
+    -- set to `false` to remove a flag
+    -- set to '' for a non-value flag
+    -- for raw args use `fzf_args` instead
+    ['--ansi']        = '',
+    ['--prompt']      = ' >',
+    ['--info']        = 'inline',
+    ['--height']      = '100%',
+    ['--layout']      = 'reverse',
+  },
   fzf_binds           = {               -- fzf '--bind=' options
     ["f2"]            = "toggle-preview",
     ["f3"]            = "toggle-preview-wrap",
diff --git a/doc/fzf-lua.txt b/doc/fzf-lua.txt
index a8ce6bd..21d69dd 100644
--- a/doc/fzf-lua.txt
+++ b/doc/fzf-lua.txt
@@ -236,7 +236,7 @@ customization can be achieved by calling the setup() function or individually
 sending parameters to a builtin command, for exmaple:
 
 >
-    :lua require('fzf-lua').files({ fzf_layout = 'reverse-list' })
+    :lua require('fzf-lua').files({ fzf_opts = {['--layout'] = 'reverse-list'} })
 <
 Consult the list below for available settings:
 
@@ -259,8 +259,17 @@ Consult the list below for available settings:
         hl_border        = 'FloatBorder',   -- window border color
       },
       -- fzf_bin             = 'sk',        -- use skim instead of fzf?
-      fzf_layout          = 'reverse',      -- fzf '--layout=' options
-      fzf_args            = '',             -- adv: fzf extra args, empty unless adv
+      fzf_opts = {
+        -- options are sent as `<left>=<right>`
+        -- set to `false` to remove a flag
+        -- set to '' for a non-value flag
+        -- for raw args use `fzf_args` instead
+        ['--ansi']        = '',
+        ['--prompt']      = ' >',
+        ['--info']        = 'inline',
+        ['--height']      = '100%',
+        ['--layout']      = 'reverse',
+      },
       fzf_binds           = {               -- fzf '--bind=' options
         ["f2"]            = "toggle-preview",
         ["f3"]            = "toggle-preview-wrap",
diff --git a/lua/fzf-lua/actions.lua b/lua/fzf-lua/actions.lua
index 2ece309..6f994a6 100644
--- a/lua/fzf-lua/actions.lua
+++ b/lua/fzf-lua/actions.lua
@@ -5,7 +5,7 @@ local M = {}
 
 -- return fzf '--expect=' string from actions keyval tbl
 M.expect = function(actions)
-  if not actions then return '' end
+  if not actions then return nil end
   local keys = {}
   for k, v in pairs(actions) do
     if k ~= "default" and v ~= false then
diff --git a/lua/fzf-lua/config.lua b/lua/fzf-lua/config.lua
index 8387b8c..59faa61 100644
--- a/lua/fzf-lua/config.lua
+++ b/lua/fzf-lua/config.lua
@@ -34,10 +34,14 @@ M.globals = {
       vim.cmd("set winhl=Normal:Normal,FloatBorder:FloatBorder")
     end, ]]
   },
-  default_prompt      = '> ',
   fzf_bin             = nil,
-  fzf_colors          = nil,
-  fzf_layout          = 'reverse',
+  fzf_opts = {
+    ['--ansi']        = '',
+    ['--prompt']      = ' >',
+    ['--info']        = 'inline',
+    ['--height']      = '100%',
+    ['--layout']      = 'reverse',
+  },
   fzf_binds = {
     -- <F2>        toggle preview
     -- <F3>        toggle preview text wrap
@@ -501,6 +505,7 @@ end
 
 function M.normalize_opts(opts, defaults)
   if not opts then opts = {} end
+  if not opts.fzf_opts then opts.fzf_opts = {} end
   opts = vim.tbl_deep_extend("keep", opts, defaults)
   if defaults.winopts then
     if not opts.winopts then opts.winopts = {} end
diff --git a/lua/fzf-lua/core.lua b/lua/fzf-lua/core.lua
index b248814..1ceb1e5 100644
--- a/lua/fzf-lua/core.lua
+++ b/lua/fzf-lua/core.lua
@@ -12,7 +12,6 @@ M.fzf = function(opts, contents)
   local fzf_win = win(opts)
   if not fzf_win then return end
   -- instantiate the previewer
-  -- if not opts.preview and not previewer and
   local previewer, preview_opts = nil, nil
   if opts.previewer and type(opts.previewer) == 'string' then
     preview_opts = config.globals.previewers[opts.previewer]
@@ -28,14 +27,14 @@ M.fzf = function(opts, contents)
     previewer = preview_opts._ctor()(preview_opts, opts, fzf_win)
   end
   if previewer then
-    opts.preview = previewer:cmdline()
+    opts.fzf_opts['--preview'] = previewer:cmdline()
     if type(previewer.preview_window) == 'function' then
       -- do we need to override the preview_window args?
       -- this can happen with the builtin previewer
       -- (1) when using a split we use the previewer as placeholder
       -- (2) we use 'nohidden:right:0' to trigger preview function
       --     calls without displaying the native fzf previewer split
-      opts.preview_window = previewer:preview_window(opts.preview_window)
+      opts.fzf_opts['--preview-window'] = previewer:preview_window(opts.preview_window)
     end
   end
 
@@ -121,40 +120,83 @@ M.create_fzf_binds = function(binds)
   return "--bind=" .. vim.fn.shellescape(table.concat(tbl, ","))
 end
 
-M.build_fzf_cli = function(opts, debug_print)
-  opts.prompt = opts.prompt or config.globals.default_prompt
-  opts.preview_offset = opts.preview_offset or ''
-  opts.fzf_info = opts.fzf_info or config.globals.fzf_info
-  opts.fzf_ansi = opts.fzf_ansi or config.globals.fzf_ansi
-
-  if not opts.fzf_info then
+M.build_fzf_cli = function(opts)
+  opts.fzf_opts = vim.tbl_extend("force", config.globals.fzf_opts, opts.fzf_opts or {})
+  -- copy from globals
+  for _, o in ipairs({
+    'fzf_info',
+    'fzf_ansi',
+    'fzf_binds',
+    'fzf_colors',
+    'fzf_layout',
+    'fzf_args',
+    'fzf_raw_args',
+    'fzf_cli_args',
+  }) do
+    opts[o] = opts[o] or config.globals[o]
+  end
+  opts.fzf_opts["--bind"] = M.create_fzf_binds(opts.fzf_binds)
+  opts.fzf_opts["--color"] = M.create_fzf_colors(opts.fzf_colors)
+  opts.fzf_opts["--expect"] = actions.expect(opts.actions)
+  opts.fzf_opts["--preview"] = opts.preview or opts.fzf_opts["--preview"]
+  if opts.fzf_opts["--preview-window"] == nil then
+    opts.fzf_opts["--preview-window"] = M.preview_window(opts)
+  end
+  if opts.preview_offset and #opts.preview_offset>0 then
+    opts.fzf_opts["--preview-window"] =
+      opts.fzf_opts["--preview-window"] .. ":" .. opts.preview_offset
+  end
+  -- shell escape the prompt
+  opts.fzf_opts["--prompt"] =
+    vim.fn.shellescape(opts.prompt or opts.fzf_opts["--prompt"])
+  -- multi | no-multi (select)
+  if opts.nomulti or opts.fzf_opts["--no-multi"] then
+    opts.fzf_opts["--multi"] = nil
+    opts.fzf_opts["--no-multi"] = ''
+  else
+    opts.fzf_opts["--multi"] = ''
+    opts.fzf_opts["--no-multi"] = nil
+  end
+  -- backward compatibility, add all previously known options
+  for k, v in pairs({
+    ['--ansi'] = 'fzf_ansi',
+    ['--layout'] = 'fzf_layout'
+  }) do
+    if opts[v] and #opts[v]==0 then
+      opts.fzf_opts[k] = nil
+    elseif opts[v] then
+      opts.fzf_opts[k] = opts[v]
+    end
+  end
+  local extra_args = ''
+  for _, o in ipairs({
+    'fzf_args',
+    'fzf_raw_args',
+    'fzf_cli_args',
+    '_fzf_cli_args',
+  }) do
+    if opts[o] then extra_args = extra_args .. " " .. opts[o] end
+  end
+  if opts._is_skim then
+    local info = opts.fzf_opts["--info"]
     -- skim (rust version of fzf) doesn't
     -- support the '--info=' flag
-    opts.fzf_info = utils._if(opts._is_skim, "--inline-info", "--info=inline")
+    opts.fzf_opts["--info"] = nil
+    if info == 'inline' then
+      -- inline for skim is defined as:
+      opts.fzf_opts["--inline-info"] = ''
+    end
   end
-
-  local cli = string.format(
-    [[ %s %s %s --layout=%s --prompt=%s]] ..
-    [[ --preview-window=%s%s --preview=%s]] ..
-    [[ --height=100%%]] ..
-    [[ %s %s %s %s %s %s %s]],
-    opts.fzf_args or config.globals.fzf_args or '',
-    M.create_fzf_colors(opts.fzf_colors or config.globals.fzf_colors),
-    M.create_fzf_binds(opts.fzf_binds or config.globals.fzf_binds),
-    opts.fzf_layout or config.globals.fzf_layout,
-    vim.fn.shellescape(opts.prompt),
-    utils._if(opts.preview_window, opts.preview_window, M.preview_window(opts)),
-    utils._if(#opts.preview_offset>0, ":"..opts.preview_offset, ''),
-    utils._if(opts.preview and #opts.preview>0, opts.preview, "''"),
-    opts.fzf_ansi or '--ansi', opts.fzf_info or '',
-    utils._if(actions.expect(opts.actions), actions.expect(opts.actions), ''),
-    utils._if(opts.nomulti, '--no-multi', '--multi'),
-    utils._if(opts.fzf_cli_args, opts.fzf_cli_args, ''),
-    utils._if(opts._fzf_cli_args, opts._fzf_cli_args, ''),
-    utils._if(opts._fzf_header_args, opts._fzf_header_args, '')
-  )
-  if debug_print then print(cli) end
-  return cli
+  -- build the clip args
+  local cli_args = ''
+  for k, v in pairs(opts.fzf_opts) do
+    if v then
+      v = v:gsub(k .. '=', '')
+      cli_args = cli_args ..
+        (" %s%s"):format(k,#v>0 and "="..v or '')
+    end
+  end
+  return cli_args .. extra_args
 end
 
 local get_diff_files = function(opts)
@@ -235,7 +277,7 @@ end
 M.set_fzf_line_args = function(opts)
   opts._line_placeholder = 2
   -- delimiters are ':' and <tab>
-  opts._fzf_cli_args = (opts._fzf_cli_args or '') .. " --delimiter='[:\\t]'"
+  opts.fzf_opts["--delimiter"] = vim.fn.shellescape('[:\\t]')
   --[[
     #
     #   Explanation of the fzf preview offset options:
@@ -424,13 +466,13 @@ M.set_fzf_interactive = function(opts, act_cmd, placeholder)
     end
     -- skim interactive mode does not need a piped command
     opts.fzf_fn = nil
-    opts._fzf_cli_args = string.format(
-        "--prompt='*%s' --cmd-prompt='%s' --cmd-query=%s -i -c %s",
-        opts.prompt, opts.prompt,
-        -- since we surrounded the skim placeholder with quotes
-        -- we need to escape them in the initial query
-        vim.fn.shellescape(utils.sk_escape(query)),
-        act_cmd)
+    opts.fzf_opts['--prompt'] = '*' .. opts.prompt
+    opts.fzf_opts['--cmd-prompt'] = vim.fn.shellescape(opts.prompt)
+    opts.prompt = nil
+    -- since we surrounded the skim placeholder with quotes
+    -- we need to escape them in the initial query
+    opts.fzf_opts['--cmd-query'] = vim.fn.shellescape(utils.sk_escape(query))
+    opts._fzf_cli_args = string.format( "-i -c %s", act_cmd)
   else
     -- fzf already adds single quotes
     -- around the place holder
@@ -442,8 +484,9 @@ M.set_fzf_interactive = function(opts, act_cmd, placeholder)
           return M.make_entry_file(opts, x)
         end)
     end
-    opts._fzf_cli_args = string.format('--phony --query=%s --bind=%s',
-        vim.fn.shellescape(query),
+    opts.fzf_opts['--phony'] = ''
+    opts.fzf_opts['--query'] = vim.fn.shellescape(query)
+    opts._fzf_cli_args = string.format('--bind=%s',
         vim.fn.shellescape(string.format("change:reload:%s || true", act_cmd)))
   end
 
diff --git a/lua/fzf-lua/providers/buffers.lua b/lua/fzf-lua/providers/buffers.lua
index 964a3ed..8d03a7b 100644
--- a/lua/fzf-lua/providers/buffers.lua
+++ b/lua/fzf-lua/providers/buffers.lua
@@ -177,11 +177,10 @@ M.buffers = function(opts)
       items = add_buffer_entry(opts, buf, items, header_line)
     end
 
-    opts.preview = act
-    opts._fzf_cli_args = utils._if(
-      header_line and not opts.ignore_current_buffer,
-      '--header-lines=1', ''
-    )
+    opts.fzf_opts['--preview'] = act
+    if header_line and not opts.ignore_current_buffer then
+      opts.fzf_opts['--header-lines'] = '1'
+    end
 
     local selected = core.fzf(opts, items)
     if not selected then return end
@@ -243,12 +242,12 @@ M.buffer_lines = function(opts)
     -- ignore bufnr when searching
     -- disable multi-select
     opts.nomulti = true
-    opts.preview_window = 'hidden:right:0'
-    opts._fzf_cli_args = "--delimiter=']' --nth 2,-1"
+    opts.fzf_opts["--preview-window"] = 'hidden:right:0'
+    opts.fzf_opts["--delimiter"] = vim.fn.shellescape(']')
+    opts.fzf_opts["--nth"] = '2,-1'
 
     if opts.search and #opts.search>0 then
-      opts._fzf_cli_args = opts._fzf_cli_args ..
-        (" --query=%s"):format(vim.fn.shellescape(opts.search))
+      opts.fzf_opts['--query'] = vim.fn.shellescape(opts.search) 
     end
 
     local selected = core.fzf(opts, items)
@@ -318,8 +317,9 @@ M.tabs = function(opts)
     end
 
     opts.nomulti = true
-    opts.preview_window = 'hidden:right:0'
-    opts.fzf_cli_args = "--delimiter='[\\)]' --with-nth=2"
+    opts.fzf_opts["--preview-window"] = 'hidden:right:0'
+    opts.fzf_opts["--delimiter"] = vim.fn.shellescape('[\\)]')
+    opts.fzf_opts["---with-nth"] = '2'
 
     local selected = core.fzf(opts, items)
 
diff --git a/lua/fzf-lua/providers/colorschemes.lua b/lua/fzf-lua/providers/colorschemes.lua
index 4231b35..f5236e0 100644
--- a/lua/fzf-lua/providers/colorschemes.lua
+++ b/lua/fzf-lua/providers/colorschemes.lua
@@ -37,9 +37,9 @@ M.colorschemes = function(opts)
 
     -- must add ':nohidden' or fzf ignore the preview action
     -- disabling our live preview of colorschemes
-    opts.preview = prev_act
-    opts.preview_window = opts.preview_window or 'nohidden:right:0'
-    opts.nomulti = utils._if(opts.nomulti~=nil, opts.nomulti, true)
+    opts.fzf_opts['--preview'] = prev_act
+    opts.fzf_opts['--no-multi'] = ''
+    opts.fzf_opts['--preview-window'] = 'nohidden:right:0'
 
     local selected = core.fzf(opts, colors)
 
diff --git a/lua/fzf-lua/providers/files.lua b/lua/fzf-lua/providers/files.lua
index 6ecaa48..8c9e854 100644
--- a/lua/fzf-lua/providers/files.lua
+++ b/lua/fzf-lua/providers/files.lua
@@ -58,8 +58,9 @@ M.files_resume = function(opts)
 
   local command = get_files_cmd(opts)
 
-  opts._fzf_cli_args = ('--query="%s" --bind=change:execute-silent:%s'):
-    format(last_query, vim.fn.shellescape(raw_act))
+  opts.fzf_opts['--query'] = vim.fn.shellescape(last_query)
+  opts._fzf_cli_args = ('--bind=change:execute-silent:%s'):
+    format(vim.fn.shellescape(raw_act))
 
   opts.fzf_fn = fzf_helpers.cmd_line_transformer(
     {cmd = command, cwd = opts.cwd},
diff --git a/lua/fzf-lua/providers/grep.lua b/lua/fzf-lua/providers/grep.lua
index ccf4276..8f7a7c9 100644
--- a/lua/fzf-lua/providers/grep.lua
+++ b/lua/fzf-lua/providers/grep.lua
@@ -70,10 +70,7 @@ local function set_search_header(opts, type)
     header_str = header_str .. (cwd_str or '')
   end
   if not header_str or #header_str==0 then return opts end
-  opts._fzf_header_args = opts._fzf_header_args or ''
-  opts._fzf_header_args = string.format([[%s --header=%s ]],
-    opts._fzf_header_args,
-    vim.fn.shellescape(header_str))
+  opts.fzf_opts['--header'] = vim.fn.shellescape(header_str)
   return opts
 end
 
@@ -210,12 +207,12 @@ M.live_grep_native = function(opts)
   if opts._is_skim then
     -- skim interactive mode does not need a piped command
     opts.fzf_fn = nil
-    opts._fzf_cli_args = string.format(
-        "--prompt='*%s' --cmd-prompt='%s' --cmd-query=%s -i -c %s",
-        opts.prompt, opts.prompt,
-        -- since we surrounded the skim placeholder with quotes
-        -- we need to escape them in the initial query
-        vim.fn.shellescape(utils.sk_escape(query)),
+    opts.fzf_opts['--prompt'] = '*' .. opts.prompt
+    opts.fzf_opts['--cmd-prompt'] = vim.fn.shellescape(opts.prompt)
+    -- since we surrounded the skim placeholder with quotes
+    -- we need to escape them in the initial query
+    opts.fzf_opts['--cmd-query'] = vim.fn.shellescape(utils.sk_escape(query))
+    opts._fzf_cli_args = string.format("-i -c %s",
           vim.fn.shellescape(
             ("(cd %s && %s)"):format(
               vim.fn.shellescape(opts.cwd or '.'),
@@ -230,8 +227,9 @@ M.live_grep_native = function(opts)
           return core.make_entry_file(opts, x)
         end)
     end
-    opts._fzf_cli_args = string.format('--phony --query=%s --bind=%s',
-        vim.fn.shellescape(query),
+    opts.fzf_opts['--phony'] = ''
+    opts.fzf_opts['--query'] = vim.fn.shellescape(query)
+    opts._fzf_cli_args = string.format('--bind=%s',
         vim.fn.shellescape(("change:reload:%s"):format(
           ("(cd %s && %s || true)"):format(
             vim.fn.shellescape(opts.cwd or '.'),
diff --git a/lua/fzf-lua/providers/helptags.lua b/lua/fzf-lua/providers/helptags.lua
index dc690be..5182da3 100644
--- a/lua/fzf-lua/providers/helptags.lua
+++ b/lua/fzf-lua/providers/helptags.lua
@@ -104,9 +104,9 @@ M.helptags = function(opts)
 
     -- local prev_act = action(function (args) end)
 
-    opts.nomulti = true
-    opts.preview_window = 'hidden:right:0'
-    opts._fzf_cli_args = "--nth 1"
+    opts.fzf_opts['--no-multi'] = ''
+    opts.fzf_opts['--preview-window'] = 'hidden:right:0'
+    opts.fzf_opts['--nth'] = '1'
 
     local selected = core.fzf(opts, fzf_function)
 
diff --git a/lua/fzf-lua/providers/lsp.lua b/lua/fzf-lua/providers/lsp.lua
index c60268b..f93b93d 100644
--- a/lua/fzf-lua/providers/lsp.lua
+++ b/lua/fzf-lua/providers/lsp.lua
@@ -344,8 +344,8 @@ M.code_actions = function(opts)
 
   opts.nomulti = true
   opts.previewer = false
-  opts.preview_window = 'right:0'
-  opts._fzf_cli_args = "--delimiter=':'"
+  opts.fzf_opts["--preview-window"] = 'right:0'
+  opts.fzf_opts["--delimiter"] = vim.fn.shellescape(':')
   opts = set_lsp_fzf_fn(opts)
 
   -- error or no sync request no results
diff --git a/lua/fzf-lua/providers/manpages.lua b/lua/fzf-lua/providers/manpages.lua
index d61317e..12d629e 100644
--- a/lua/fzf-lua/providers/manpages.lua
+++ b/lua/fzf-lua/providers/manpages.lua
@@ -42,9 +42,10 @@ M.manpages = function(opts)
         utils.ansi_codes.red(man), desc)
     end)
 
-    opts.nomulti = true
-    opts.preview_window = 'hidden:right:0'
-    opts._fzf_cli_args = "--tiebreak begin --nth 1,2"
+    opts.fzf_opts['--no-multi'] = ''
+    opts.fzf_opts['--preview-window'] = 'hidden:right:0'
+    opts.fzf_opts['--tiebreak'] = 'begin'
+    opts.fzf_opts['--nth'] = '1,2'
 
     local selected = core.fzf(opts, fzf_fn)
 
diff --git a/lua/fzf-lua/providers/module.lua b/lua/fzf-lua/providers/module.lua
index 6aae2ec..5e026ad 100644
--- a/lua/fzf-lua/providers/module.lua
+++ b/lua/fzf-lua/providers/module.lua
@@ -33,9 +33,9 @@ M.metatable = function(opts)
 
     table.sort(methods, function(a, b) return a<b end)
 
-    opts.preview = prev_act
-    opts.preview_window = 'hidden:down:10'
-    opts.nomulti = true
+    opts.fzf_opts['--preview'] = prev_act
+    opts.fzf_opts['--preview-window'] = 'hidden:down:10'
+    opts.fzf_opts['--no-multi'] = ''
 
     local selected = core.fzf(opts, methods)
 
diff --git a/lua/fzf-lua/providers/nvim.lua b/lua/fzf-lua/providers/nvim.lua
index c01481e..f5e9528 100644
--- a/lua/fzf-lua/providers/nvim.lua
+++ b/lua/fzf-lua/providers/nvim.lua
@@ -34,8 +34,8 @@ M.commands = function(opts)
 
     table.sort(entries, function(a, b) return a<b end)
 
-    opts.nomulti = true
-    opts.preview = prev_act
+    opts.fzf_opts['--no-multi'] = ''
+    opts.fzf_opts['--preview'] = prev_act
 
     local selected = core.fzf(opts, entries)
 
@@ -59,9 +59,8 @@ local history = function(opts, str)
       table.insert(entries, string.sub(item, finish + 1))
     end
 
-    opts.nomulti = true
-    opts.preview = nil
-    opts.preview_window = 'hidden:down:0'
+    opts.fzf_opts['--no-multi'] = ''
+    opts.fzf_opts['--preview-window'] = 'hidden:right:0'
 
     local selected = core.fzf(opts, entries)
 
@@ -74,20 +73,21 @@ end
 local arg_header = function(sel_key, edit_key, text)
   sel_key = utils.ansi_codes.yellow(sel_key)
   edit_key = utils.ansi_codes.yellow(edit_key)
-  return ('--header=":: %s to %s, %s to edit"'):format(sel_key, text, edit_key)
+  return vim.fn.shellescape((':: %s to %s, %s to edit')
+    :format(sel_key, text, edit_key))
 end
 
 M.command_history = function(opts)
   opts = config.normalize_opts(opts, config.globals.nvim.command_history)
   if not opts then return end
-  opts._fzf_cli_args = arg_header("<CR>", "<Ctrl-e>", "execute")
+  opts.fzf_opts['--header'] = arg_header("<CR>", "<Ctrl-e>", "execute")
   history(opts, "cmd")
 end
 
 M.search_history = function(opts)
   opts = config.normalize_opts(opts, config.globals.nvim.search_history)
   if not opts then return end
-  opts._fzf_cli_args = arg_header("<CR>", "<Ctrl-e>", "search")
+  opts.fzf_opts['--header'] = arg_header("<CR>", "<Ctrl-e>", "search")
   history(opts, "search")
 end
 
@@ -126,9 +126,8 @@ M.marks = function(opts)
 
     table.sort(entries, function(a, b) return a<b end)
 
-    opts.nomulti = true
-    opts.preview = prev_act
-    -- opts.preview_window = 'hidden:down:0'
+    opts.fzf_opts['--preview'] = prev_act
+    opts.fzf_opts['--no-multi'] = ''
 
     local selected = core.fzf(opts, entries)
 
@@ -174,8 +173,8 @@ M.registers = function(opts)
       end
     end
 
-    opts.nomulti = true
-    opts.preview = prev_act
+    opts.fzf_opts['--no-multi'] = ''
+    opts.fzf_opts['--preview'] = prev_act
 
     local selected = core.fzf(opts, entries)
 
@@ -234,8 +233,8 @@ M.keymaps = function(opts)
       v.str, v.rhs))
     end
 
-    opts.nomulti = true
-    opts.preview = prev_act
+    opts.fzf_opts['--no-multi'] = ''
+    opts.fzf_opts['--preview'] = prev_act
 
     local selected = core.fzf(opts, entries)
 
@@ -258,9 +257,8 @@ M.spell_suggest = function(opts)
 
     if vim.tbl_isempty(entries) then return end
 
-    opts.nomulti = true
-    opts.preview = nil
-    opts.preview_window = 'hidden:down:0'
+    opts.fzf_opts['--no-multi'] = ''
+    opts.fzf_opts['--preview-window'] = 'hidden:right:0'
 
     local selected = core.fzf(opts, entries)
 
@@ -281,9 +279,8 @@ M.filetypes = function(opts)
     local entries = vim.fn.getcompletion('', 'filetype')
     if vim.tbl_isempty(entries) then return end
 
-    opts.nomulti = true
-    opts.preview = nil
-    opts.preview_window = 'hidden:down:0'
+    opts.fzf_opts['--no-multi'] = ''
+    opts.fzf_opts['--preview-window'] = 'hidden:right:0'
 
     local selected = core.fzf(opts, entries)
 
@@ -305,9 +302,8 @@ M.packadd = function(opts)
 
     if vim.tbl_isempty(entries) then return end
 
-    opts.nomulti = false
-    opts.preview = nil
-    opts.preview_window = 'hidden:down:0'
+    opts.fzf_opts['--no-multi'] = ''
+    opts.fzf_opts['--preview-window'] = 'hidden:right:0'
 
     local selected = core.fzf(opts, entries)