diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a555e5..9491838 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 1.0.14 - Work in progress
 - Enh #65: Updated Romanian translation (mrbig00)
 - Enh #61: Updated Russian translation (faenir)
+- Enh #70: Allow permission-permission parent-child relationship
 
 ## 1.0.13 - August 12, 2017
 - Fix #49: Fix wrong call of method make() for set attributes (MKiselev)
diff --git a/src/User/Helper/AuthHelper.php b/src/User/Helper/AuthHelper.php
index 3f7bf91..651e560 100644
--- a/src/User/Helper/AuthHelper.php
+++ b/src/User/Helper/AuthHelper.php
@@ -99,7 +99,7 @@ class AuthHelper
     public function getUnassignedItems(AbstractAuthItem $model)
     {
         $excludeItems = $model->item !== null ? [$model->item->name] : [];
-        $type = $model->getType() == Permission::TYPE_PERMISSION ?: null;
+        $type = $model->getType() == Permission::TYPE_PERMISSION ? Permission::TYPE_PERMISSION : null;
         $items = $this->getAuthManager()->getItems($type, $excludeItems);
 
         return ArrayHelper::map(