diff --git a/groups.php b/groups.php
index a480fabfd..cb731149e 100644
--- a/groups.php
+++ b/groups.php
@@ -266,7 +266,7 @@ function edit_group(id) {
             $('#editName').prop("value", group['name']);
             for (var i = 0; i < cnt; i++) {
                 console.log('Selected user: ' + selectedUsers[i]);
-                $('#editUsers option[value=' + selectedUsers[i] + ']').attr('selected',true).change();
+                $('#editUsers option[value="' + selectedUsers[i] + '"]').attr('selected',true).change();
             }
 
         }