diff --git a/pandora_console/godmode/groups/group_list.php b/pandora_console/godmode/groups/group_list.php
index 66717bc35b..cbf92f59a0 100644
--- a/pandora_console/godmode/groups/group_list.php
+++ b/pandora_console/godmode/groups/group_list.php
@@ -560,13 +560,13 @@ if ($is_management_allowed === true && $update_group === true) {
     }
 }
 
+$id_group = (int) get_parameter('id_group');
+
 // Delete group.
 if ($is_management_allowed === true
     && $delete_group === true
-    && ((bool) check_acl($config['id_user'], 0, 'PM') === true)
+    && ((bool) check_acl($config['id_user'], $id_group, 'PM') === true)
 ) {
-    $id_group = (int) get_parameter('id_group');
-
     $usedGroup = groups_check_used($id_group);
 
     if (!$usedGroup['return']) {
diff --git a/pandora_console/include/class/Tree.class.php b/pandora_console/include/class/Tree.class.php
index ed515dee87..7e75594a66 100644
--- a/pandora_console/include/class/Tree.class.php
+++ b/pandora_console/include/class/Tree.class.php
@@ -107,7 +107,7 @@ class Tree
 
         $userGroupsACL = users_get_groups(false, $this->access);
 
-        $this->userGroupsACL = empty($userGroupsACL) ? false : $userGroupsACL;
+        $this->userGroupsACL = empty($userGroupsACL) ? [0] : $userGroupsACL;
         $this->userGroups = $this->userGroupsACL;
         $this->userGroupsArray = array_keys($this->userGroups);