diff --git a/packages/local-sync/src/models/label.js b/packages/local-sync/src/models/label.js
index 332dec40c..e6e64b735 100644
--- a/packages/local-sync/src/models/label.js
+++ b/packages/local-sync/src/models/label.js
@@ -17,7 +17,7 @@ module.exports = (sequelize, Sequelize) => {
         Label.belongsToMany(Thread, {through: ThreadLabel})
       },
 
-      findXGMLabels(xGmLabels, {preloadedLabels}) {
+      findXGMLabels(xGmLabels, {preloadedLabels} = {}) {
         if (!xGmLabels) {
           return Promise.resolve();
         }