diff --git a/app/models/forum_post.rb b/app/models/forum_post.rb
index 32f5dd964..d4a255234 100644
--- a/app/models/forum_post.rb
+++ b/app/models/forum_post.rb
@@ -72,7 +72,7 @@ class ForumPost < ActiveRecord::Base
   end
 
   def validate_topic_is_unlocked
-    return if CurrentUser.is_moderator?
+    return if CurrentUser.is_janitor?
     return if topic.nil?
 
     if topic.is_locked?