diff --git a/tests/test_connection.py b/tests/test_connection.py
index 8de926f61e25..4c08924eb09b 100644
--- a/tests/test_connection.py
+++ b/tests/test_connection.py
@@ -3437,9 +3437,9 @@ def test_feerate_stress(node_factory, executor):
     wait_for(lambda: l1.rpc.getpeer(l2.info['id'])['connected'])
     # We can get TEMPORARY_CHANNEL_FAILURE due to disconnect, too.
     with pytest.raises(RpcError, match='WIRE_INCORRECT_OR_UNKNOWN_PAYMENT_DETAILS|WIRE_TEMPORARY_CHANNEL_FAILURE'):
-        l1.rpc.waitsendpay("{:064x}".format(l1done - 1))
+        l1.rpc.waitsendpay("{:064x}".format(l1done - 1), timeout=TIMEOUT)
     with pytest.raises(RpcError, match='WIRE_INCORRECT_OR_UNKNOWN_PAYMENT_DETAILS|WIRE_TEMPORARY_CHANNEL_FAILURE'):
-        l2.rpc.waitsendpay("{:064x}".format(l2done - 1))
+        l2.rpc.waitsendpay("{:064x}".format(l2done - 1), timeout=TIMEOUT)
     l1.rpc.call('dev-feerate', [l2.info['id'], rate - 5])
     assert not l1.daemon.is_in_log('Bad.*signature')
     assert not l2.daemon.is_in_log('Bad.*signature')