diff --git a/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml b/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml
index d9da9cb7d7..3c2d6d52f4 100755
--- a/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml
+++ b/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml
@@ -193,8 +193,7 @@
 
 		$sTicketListAttCode = 'tickets_list';
 
-		if (MetaModel::IsValidAttCode(get_class($this), $sTicketListAttCode))
-		{
+		if (MetaModel::HasChildrenClasses('Ticket') && MetaModel::IsValidAttCode(get_class($this), $sTicketListAttCode))	{
 			// Display one list per leaf class (the only way to display the status as of now)
 
 			$oAttDef = MetaModel::GetAttributeDef(get_class($this), $sTicketListAttCode);