diff --git a/clientapi/routing/membership.go b/clientapi/routing/membership.go
index 2dc35f725..dff194dd3 100644
--- a/clientapi/routing/membership.go
+++ b/clientapi/routing/membership.go
@@ -127,6 +127,7 @@ func SendMembership(
 		returnData = struct {
 			RoomID string `json:"room_id"`
 		}{roomID}
+		fallthrough
 	default:
 		_, err = producer.SendEvents(
 			req.Context(),