diff --git a/app/helpers/user_helper.rb b/app/helpers/user_helper.rb
index e633679d..ccc620e9 100644
--- a/app/helpers/user_helper.rb
+++ b/app/helpers/user_helper.rb
@@ -18,6 +18,6 @@ module UserHelper
   private
 
   def anonymous_name(context_user)
-    context_user&.profile&.anon_display_name.presence || APP_CONFIG["anonymous_name"]
+    sanitize(context_user&.profile&.anon_display_name.presence || APP_CONFIG["anonymous_name"])
   end
 end