diff --git a/lib/galaxy/webapps/galaxy/services/credentials.py b/lib/galaxy/webapps/galaxy/services/credentials.py
index 6417f0614993..5a6819e7643f 100644
--- a/lib/galaxy/webapps/galaxy/services/credentials.py
+++ b/lib/galaxy/webapps/galaxy/services/credentials.py
@@ -111,7 +111,7 @@ def delete_credentials(
         session = trans.sa_session
 
         user_credentials = self._user_credentials(trans, user_id=user_id, group_id=group_id)
-        rows_to_be_deleted = {item for uc in user_credentials for item in uc if type(item) != UserCredentials}
+        rows_to_be_deleted = {item for uc in user_credentials for item in uc if not isinstance(item, UserCredentials)}
         for row in rows_to_be_deleted:
             session.delete(row)
         with transaction(session):