diff --git a/src/app.py b/src/app.py
index ae3a54cd..0deb918b 100644
--- a/src/app.py
+++ b/src/app.py
@@ -1552,7 +1552,7 @@ def update_entity(id):
 
     # Also reindex the updated entity node in elasticsearch via search-api
     logger.log(logging.INFO
-               ,"Re-indexing for modification of {entity_dict['entity_type']}"
+               ,f"Re-indexing for modification of {entity_dict['entity_type']}"
                 f" with UUID {entity_dict['uuid']}")
 
     reindex_entity(entity_dict['uuid'], user_token)