diff --git a/test/cloudron-autoupdate-sfo1-test.js b/test/cloudron-autoupdate-sfo1-test.js
index a7b4785..c9cf34e 100644
--- a/test/cloudron-autoupdate-sfo1-test.js
+++ b/test/cloudron-autoupdate-sfo1-test.js
@@ -77,8 +77,7 @@ describe('Cloudron update testing', function () {
 
     var location = 'test' + (Math.random() * 10000).toFixed();
     it('can install app', function () {
-        var manifest = appStore.getManifest(common.TESTAPP_ID, common.PREV_TESTAPP_VERSION);
-        appId = cloudron.installApp(location, manifest);
+        appId = cloudron.installApp(location, common.TESTAPP_ID + '@' + common.PREV_TESTAPP_VERSION);
     });
 
     it('can populate the addons', function () {