diff --git a/app/models/comment.rb b/app/models/comment.rb
index a974527fb..8f58c5835 100644
--- a/app/models/comment.rb
+++ b/app/models/comment.rb
@@ -50,7 +50,7 @@ class Comment < ActiveRecord::Base
   end
   
   def creator_name
-    creator.name
+    creator.name.tr("_", " ")
   end
   
   def editable_by?(user)