diff --git a/.github/calculate_db.py b/.github/calculate_db.py
index 4e57ca905..08a9b3b9d 100755
--- a/.github/calculate_db.py
+++ b/.github/calculate_db.py
@@ -60,7 +60,8 @@ def create_db(folder, options):
         "db_files": options['db_files'],
         "latest_zip_url": options['latest_zip_url'],
         "files": dict(),
-        "zips": dict()
+        "zips": dict(),
+        "base_files_url": ""
     }
 
     delete_list_regex = re.compile("^(.*_)[0-9]{8}(\.[a-zA-Z0-9]+)*$", )