diff --git a/lnbits/extensions/cashu/tasks.py b/lnbits/extensions/cashu/tasks.py
index 11eb2fd2c..bb2d324ba 100644
--- a/lnbits/extensions/cashu/tasks.py
+++ b/lnbits/extensions/cashu/tasks.py
@@ -28,6 +28,6 @@ async def wait_for_paid_invoices():
 
 
 async def on_invoice_paid(payment: Payment) -> None:
-    if not payment.extra.get("tag") == "cashu":
+    if payment.extra and not payment.extra.get("tag") == "cashu":
         return
     return