diff --git a/autoload/vim2hs/haskell/conceal.vim b/autoload/vim2hs/haskell/conceal.vim
index 37ce9eb..9293336 100644
--- a/autoload/vim2hs/haskell/conceal.vim
+++ b/autoload/vim2hs/haskell/conceal.vim
@@ -82,11 +82,11 @@ endfunction " }}}
 " These work badly in GVIM with the fonts I've tested.
 function! vim2hs#haskell#conceal#bad() " {{{
   syntax match hsKeyword
-    \ "\<elem\>"
+    \ "`elem`"
     \ display conceal cchar=∈
 
   syntax match hsKeyword
-    \ "\<notElem\>"
+    \ "`notElem`"
     \ display conceal cchar=∉
 
   syntax match hsStructure