diff --git a/lnbits/extensions/shop/tasks.py b/lnbits/extensions/shop/tasks.py
index 3dc460aa..621e4fae 100644
--- a/lnbits/extensions/shop/tasks.py
+++ b/lnbits/extensions/shop/tasks.py
@@ -23,7 +23,10 @@ async def wait_for_paid_invoices():
 
 
 async def on_invoice_paid(payment: Payment) -> None:
-    if payment.extra and payment.extra.get("tag") != "shop":
+    if not payment.extra:
+        return
+
+    if payment.extra.get("tag") != "shop":
         return
 
     order = await get_shop_order_invoiceid(payment.payment_hash)