diff --git a/client/app/pages/admin/OutdatedQueries.jsx b/client/app/pages/admin/OutdatedQueries.jsx
index e97e762846..04faecff5b 100644
--- a/client/app/pages/admin/OutdatedQueries.jsx
+++ b/client/app/pages/admin/OutdatedQueries.jsx
@@ -103,11 +103,14 @@ class OutdatedQueries extends React.Component {
               onChange={autoUpdate => this.setState({ autoUpdate })}
             />
           </div>
-          {controller.params.lastUpdatedAt && (
-            <div className="m-t-5">
-              Last updated: <TimeAgo date={controller.params.lastUpdatedAt * 1000} />
-            </div>
-          )}
+          <div className="m-t-5">
+            Last updated:{" "}
+            {controller.params.lastUpdatedAt ? (
+              <TimeAgo date={controller.params.lastUpdatedAt * 1000} />
+            ) : (
+              "Seem rq scheduler no running"
+            )}
+          </div>
         </div>
         {!controller.isLoaded && <LoadingState />}
         {controller.isLoaded && controller.isEmpty && (
diff --git a/redash/handlers/admin.py b/redash/handlers/admin.py
index 753494d341..ad6d5d1b26 100644
--- a/redash/handlers/admin.py
+++ b/redash/handlers/admin.py
@@ -36,7 +36,7 @@ def outdated_queries():
         "queries": QuerySerializer(
             outdated_queries, with_stats=True, with_last_modified_by=False
         ).serialize(),
-        "updated_at": manager_status["last_refresh_at"],
+        "updated_at": manager_status.get("last_refresh_at", None),
     }
     return json_response(response)