diff --git a/app/library/Acl.php b/app/library/Acl.php
index b7814b7..f00ac8c 100644
--- a/app/library/Acl.php
+++ b/app/library/Acl.php
@@ -98,7 +98,8 @@ class Acl
             }
 
             foreach($zones as $zone) {
-                foreach($config->zones->get($zone) as $resource) {
+                $resources = (array) $config->zones->get($zone);
+                foreach($resources as $resource) {
                     $this->_adapter->allow($name, $resource, 'All');
                 }
             }