diff --git a/library/Class/Profil.php b/library/Class/Profil.php
index b7a70f12ddee73c5bd696a5e7a48bf9cf20f1c82..2ae541c25016cb69884f9a52766b49f4302f5142 100644
--- a/library/Class/Profil.php
+++ b/library/Class/Profil.php
@@ -86,7 +86,7 @@ class Class_Profil extends Storm_Model_Abstract {
   protected static $DEFAULT_VALUES, $CFG_SITE_KEYS, $FORWARDED_ATTRIBUTES;
 
 	// cache des attributs pour raison de performances
-	protected $_has_parent_profil;
+	protected $_has_parent_profil = null;
 	protected $_cfg_site_array;
 	protected $_should_forward_attributes = [];
 
@@ -306,7 +306,7 @@ class Class_Profil extends Storm_Model_Abstract {
 	 * @return bool
 	 */
 	public function hasParentProfil() {
-		if (!isset($this->_has_parent_profil))
+		if (null === $this->_has_parent_profil)
 			$this->_has_parent_profil = (null != $this->_get('parent_profil'));
 		return $this->_has_parent_profil;
 	}
@@ -1427,7 +1427,7 @@ class Class_Profil extends Storm_Model_Abstract {
 
 		$this->_copyMenuForMigrationTo($new_parent);
 		parent::_set('parent_profil', $new_parent);
-		unset($this->_has_parent_profil);
+		$this->_has_parent_profil = null;
 		$this->_should_forward_attributes = [];
 
 		if ($this->hasParentProfil())
@@ -1439,13 +1439,13 @@ class Class_Profil extends Storm_Model_Abstract {
 
 
 	public function beforeSave() {
-		unset($this->_has_parent_profil);
+		$this->_has_parent_profil = null;
 		$this->_should_forward_attributes = [];
 	}
 
 
 	public function afterSave() {
-		unset($this->_has_parent_profil);
+		$this->_has_parent_profil = null;
 		$this->_should_forward_attributes = [];
 	}
 
diff --git a/tests/application/modules/admin/controllers/ProfilControllerTest.php b/tests/application/modules/admin/controllers/ProfilControllerTest.php
index a3c9c974e07876f20e77002bba346ecba1feed80..57a4582937b9213a05a2d592818fa4a2acef8b4b 100644
--- a/tests/application/modules/admin/controllers/ProfilControllerTest.php
+++ b/tests/application/modules/admin/controllers/ProfilControllerTest.php
@@ -476,7 +476,10 @@ class Admin_ProfilControllerNewPageTest extends Admin_ProfilControllerProfilJeun
 	}
 
 
-	
+	/** @test */
+	public function attributesShouldNotContainsHasParentProfil() {
+		$this->assertNotContains('_has_parent_profil', $this->new_page->getRawAttributes());
+	}
 }