Index: branches/RC/core/kernel/db/db_tag_processor.php
===================================================================
diff -u -N -r11576 -r11662
--- branches/RC/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 11576)
+++ branches/RC/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 11662)
@@ -1272,7 +1272,7 @@
 		{
 			return strtolower($list->GetOrderDirection($user_sorting_start));
 		}
-		elseif($list->GetOrderField($user_sorting_start+1) == $field)
+		elseif($this->Application->ConfigValue('UseDoubleSorting') && $list->GetOrderField($user_sorting_start+1) == $field)
 		{
 			return '2_'.strtolower($list->GetOrderDirection($user_sorting_start+1));
 		}