diff --git a/ang/crmMailing/Recipients.js b/ang/crmMailing/Recipients.js
index 759fd4c91ad2bc109dd9608f64c4cf6f0e1752b8..4203d4a3c8f7b553c9e68cfb5c8af13eebadd9b6 100644
--- a/ang/crmMailing/Recipients.js
+++ b/ang/crmMailing/Recipients.js
@@ -136,7 +136,7 @@
             var gids = [];
             var mids = [];
 
-            for (var i in values) {
+            for (var i = 0; i < values.length; i++) {
               var dv = convertValueToObj(values[i]);
               if (dv.entity_type == 'civicrm_group') {
                 gids.push(dv.entity_id);