diff --git a/tagreader/web_handlers.py b/tagreader/web_handlers.py
index c48d13f..84d71f5 100644
--- a/tagreader/web_handlers.py
+++ b/tagreader/web_handlers.py
@@ -173,6 +173,8 @@ def get_piwebapi_source_to_webid_dict(
     except JSONDecodeError as e:
         logger.error(f"Could not decode JSON response: {e}")
 
+    return []
+
 
 class BaseHandlerWeb(ABC):
     def __init__(