diff --git a/electrum/tests/test_lnpeer.py b/electrum/tests/test_lnpeer.py
index b1a1db88b..6cf4f1be4 100644
--- a/electrum/tests/test_lnpeer.py
+++ b/electrum/tests/test_lnpeer.py
@@ -97,6 +97,7 @@ class MockBlockchain:
 
 
 class MockWallet:
+    receive_requests = {}
 
     def set_label(self, x, y):
         pass