diff --git a/syncapi/internal/keychange_test.go b/syncapi/internal/keychange_test.go
index cc33c7382..6765fa657 100644
--- a/syncapi/internal/keychange_test.go
+++ b/syncapi/internal/keychange_test.go
@@ -44,6 +44,9 @@ func (k *mockKeyAPI) QueryOneTimeKeys(ctx context.Context, req *keyapi.QueryOneT
 }
 func (k *mockKeyAPI) QueryDeviceMessages(ctx context.Context, req *keyapi.QueryDeviceMessagesRequest, res *keyapi.QueryDeviceMessagesResponse) {
 
+}
+func (k *mockKeyAPI) InputDeviceListUpdate(ctx context.Context, req *keyapi.InputDeviceListUpdateRequest, res *keyapi.InputDeviceListUpdateResponse) {
+
 }
 
 type mockCurrentStateAPI struct {