diff --git a/csv2bufr/templates/__init__.py b/csv2bufr/templates/__init__.py
index 0d11155..39d062e 100644
--- a/csv2bufr/templates/__init__.py
+++ b/csv2bufr/templates/__init__.py
@@ -183,7 +183,7 @@ def index_templates() -> bool:
                                 "dateCreated": tmpl['metadata'].get("dateCreated", ""),  # noqa
                                 "id": tmpl['metadata'].get("id", ""),
                                 "path": fname,
-                                "basename": Path(fname).name.replace(".json","")  # noqa
+                                "basename": Path(fname).name.replace(".json", "")  # noqa
                             }
 
             except Exception as e: