diff --git a/core/dbobject.class.php b/core/dbobject.class.php
index b2b2cc5243..a730032d16 100644
--- a/core/dbobject.class.php
+++ b/core/dbobject.class.php
@@ -2431,9 +2431,12 @@ abstract class DBObject implements iDisplay
 		return $this->m_aCurrValues;
 	}
 
-	public function GetCurrentValues()
+	/*
+	 * return array
+	 */
+	public function GetLoadedAttributes()
 	{
-		return $this->m_aCurrValues;
+		return array_keys($this->m_aLoadedAtt);
 	}
 
 	/**
diff --git a/sources/Controller/AjaxRenderController.php b/sources/Controller/AjaxRenderController.php
index 377f417b2b..80d607c9aa 100644
--- a/sources/Controller/AjaxRenderController.php
+++ b/sources/Controller/AjaxRenderController.php
@@ -315,7 +315,7 @@ class AjaxRenderController
 			foreach ($aClassAliases as $sAlias => $sClass) {
 				if (isset($aObject[$sAlias])) {
 					$aObj[$sAlias."/_key_"] = $aObject[$sAlias]->GetKey();
-					foreach ($aObject[$sAlias]->GetCurrentValues() as $sAttCode => $oAttDef) {
+					foreach ($aObject[$sAlias]->GetLoadedAttributes() as $sAttCode) {
 						$aObj[$sAlias."/".$sAttCode] = $aObject[$sAlias]->GetAsHTML($sAttCode);
 					}
 				}