diff --git a/plugin/vimux.vim b/plugin/vimux.vim
index 4572a9b..e275feb 100644
--- a/plugin/vimux.vim
+++ b/plugin/vimux.vim
@@ -106,6 +106,7 @@ function! VimuxOpenRunner() abort
     let g:VimuxRunnerIndex = s:tmuxIndex()
     call s:setRunnerName()
     call VimuxTmux('last-'.VimuxOption('VimuxRunnerType'))
+    sleep 100m
   endif
 endfunction