diff --git a/plugin/CSApprox.vim b/plugin/CSApprox.vim
index cc2d5b0..b1a3876 100644
--- a/plugin/CSApprox.vim
+++ b/plugin/CSApprox.vim
@@ -670,7 +670,7 @@ endfunction
 " highlights (unless the colorscheme was already high-color).
 function! s:CSApproxImpl()
   " Return if not running in an 88/256 color terminal
-  if &t_Co != 256 && &t_Co != 88 && !has('gui_running')
+  if &t_Co != 256 && &t_Co != 88
     if &verbose && !has('gui_running')
       echomsg "CSApprox skipped; terminal only has" &t_Co "colors, not 88/256"
       echomsg "Try checking :help csapprox-terminal for workarounds"