diff --git a/module/group/model.php b/module/group/model.php
index eb28786fd3..80529294ea 100644
--- a/module/group/model.php
+++ b/module/group/model.php
@@ -616,7 +616,7 @@ class groupModel extends model
      */
     public function updatePrivByModule()
     {
-        if($this->post->module == false || $this->post->actions == false || $this->post->groups == false) return false;
+        if($this->post->module == false || array_filter($this->post->actions) == false || array_filter($this->post->groups) == false) return false;
 
         $privs = array();
         foreach($this->post->actions as $action)