diff --git a/plugin/rspec.vim b/plugin/rspec.vim
index 34f7372..edc0872 100644
--- a/plugin/rspec.vim
+++ b/plugin/rspec.vim
@@ -89,7 +89,7 @@ function! s:ClearCommand()
 endfunction
 
 function! s:IsMacGui()
-  return s:force_gui || (has("gui_running") && has("gui_macvim"))
+  return s:force_gui || (has("gui_running") && has("gui_macvim")) || has("gui_vimr")
 endfunction
 
 function! s:IsWindows()