diff --git a/lib/setup/setupBackup.js b/lib/setup/setupBackup.js
index 197452e5d4..6f68c5babc 100644
--- a/lib/setup/setupBackup.js
+++ b/lib/setup/setupBackup.js
@@ -187,7 +187,7 @@ function BackupRestore(options) {
 
                     // try to find user files
                     for (var j = 0; j < result.objects.length; j++) {
-                        if (!result.objects[j].value || !result.objects[j].value._id) continue;
+                        if (!result.objects[j].value || !result.objects[j].value._id || !result.objects[j].value.common) continue;
                         //if (result.objects[j].doc) delete result.objects[j].doc;
                         if (result.objects[j].value._id.match(/^system\.adapter\.([\w\d_-]+).(\d+)$/) &&
                             result.objects[j].value.common.host === hostname) {