diff --git a/backend/open_webui/utils/auth.py b/backend/open_webui/utils/auth.py
index 1a78f3143f..a7610b5cca 100644
--- a/backend/open_webui/utils/auth.py
+++ b/backend/open_webui/utils/auth.py
@@ -143,7 +143,7 @@ def get_license_data(app, key):
             pn, pt = nt(pb)
 
             data = json.loads(aesgcm.decrypt(pn, pt, None).decode())
-            if not data.get('exp') and data.get('exp') < datetime.now().date():
+            if not data.get('exp') or data.get('exp') < datetime.now().date():
                 return False
 
             data_handler(data)