diff --git a/syntax/python.vim b/syntax/python.vim
index 48c38bb..f41b961 100644
--- a/syntax/python.vim
+++ b/syntax/python.vim
@@ -187,7 +187,7 @@ else
   syn match   pythonStatement   "\<async\s\+for\>" display
 endif
 
-syn region FunctionParameters start='(' end=')' contains=
+syn region FunctionParameters start='(' end=')' display contains=
             \ FunctionParameters,
             \ OptionalParameters,
             \ pythonRepeat,