Index: branches/RC/core/units/general/cat_tag_processor.php
===================================================================
diff -u -r10659 -r10712
--- branches/RC/core/units/general/cat_tag_processor.php	(.../cat_tag_processor.php)	(revision 10659)
+++ branches/RC/core/units/general/cat_tag_processor.php	(.../cat_tag_processor.php)	(revision 10712)
@@ -342,9 +342,17 @@
 			$list =& $this->GetList($params);
 			$user_sorting_start = $this->getUserSortIndex();
 
-			$sorting = strtolower($list->GetOrderField($user_sorting_start).'|'.$list->GetOrderDirection($user_sorting_start));
+			$sorting_field = $list->GetOrderField($user_sorting_start);
+			$sorting = strtolower($sorting_field . '|' . $list->GetOrderDirection($user_sorting_start));
 
-			if ($sorting == strtolower($params['sorting'])) return $params['selected'];
+			$field_options = $list->GetFieldOptions($sorting_field);
+			if (array_key_exists('formatter', $field_options) && $field_options['formatter'] == 'kMultiLanguage') {
+				// remove language prefix
+				$sorting = preg_replace('/^l[\d]+_(.*)/', '\\1', $sorting);
+				$params['sorting'] = preg_replace('/^l[\d]+_(.*)/', '\\1', $params['sorting']);
+			}
+
+			return $sorting == strtolower($params['sorting']) ? $params['selected'] : '';
 		}
 
 		function CombinedSortingDropDownName($params)