diff --git a/sirepo/reply.py b/sirepo/reply.py
index b8427e14fe..021307e263 100644
--- a/sirepo/reply.py
+++ b/sirepo/reply.py
@@ -746,6 +746,8 @@ def http_response(self, sreply):
             return self._json(
                 PKDict({STATE: ERROR_STATE, ERROR_STATE: self.value.error})
             )
+        render error in text in the html
+        https://github.com/radiasoft/sirepo/issues/6274
         return self._status(500, sreply)
 
     def websocket_content(self):