Change how current session is found. Fixes #7

plugin/vimux.vim

@@ -178,7 +178,7 @@ end
 
 class CurrentTmuxSession < TmuxSession
   def initialize
-    session = self.get_property(:attached, :session)
+    session = self.get_session
     window = self.get_property(:active, :window)
     pane = self.get_property(:active, :pane)
 
@@ -190,5 +190,9 @@ class CurrentTmuxSession < TmuxSession
       return line.split(':').first if line =~ /\(#{match.to_s}\)/
     end
   end
+
+  def get_session
+    _run("list-panes -F '\#\{session_name\}'").split("\n").first.strip
+  end
 end
 EOF