diff --git a/src/apptask.js b/src/apptask.js
index f699f497d..f490d6413 100644
--- a/src/apptask.js
+++ b/src/apptask.js
@@ -565,8 +565,9 @@ async function updateCommand(app, args, progressCallback) {
 
     if (!updateConfig.skipBackup) {
         await progressCallback({ percent: 15, message: 'Backing up app' });
+        const backupTarget = await backupTargets.getPrimary();
         // preserve update backups for 3 weeks
-        const [error] = await safe(backuptask.backupApp(app, { preserveSecs: 3*7*24*60*60 }, (progress) => {
+        const [error] = await safe(backuptask.backupApp(app, backupTarget, { preserveSecs: 3*7*24*60*60 }, (progress) => {
             progressCallback({ percent: 15, message: `Backup - ${progress.message}` });
         }));
         if (error) {