Index: kernel/db/cat_tag_processor.php
===================================================================
--- kernel/db/cat_tag_processor.php	(revision 14318)
+++ kernel/db/cat_tag_processor.php	(working copy)
@@ -444,17 +444,10 @@
 			$list =& $this->GetList($params);
 			$user_sorting_start = $this->getUserSortIndex();
 
-			list ($sorting_field, $sorting_direction) = explode('|', $params['sorting']);
-			$sorting_field = preg_replace('/^l[\d]+_(.*)/', '\\1', $sorting_field); // remove language prefix (if any)
-			$field_options = $list->GetFieldOptions($sorting_field);
+			// remove language prefix from $current_sorting_field
+			$current_sorting_field = preg_replace('/^l[\d]+_(.*)/', '\\1', $list->GetOrderField($user_sorting_start));
+			$current_sorting = $current_sorting_field . '|' . $list->GetOrderDirection($user_sorting_start);
 
-			if (array_key_exists('formatter', $field_options) && $field_options['formatter'] == 'kMultiLanguage') {
-				// remove language prefix for $sorting_field
-				$params['sorting'] = $list->getMLSortField($sorting_field) . '|' . $sorting_direction;
-			}
-
-			$current_sorting = $list->GetOrderField($user_sorting_start) . '|' . $list->GetOrderDirection($user_sorting_start);
-
 			return strtolower($current_sorting) == strtolower($params['sorting']) ? $params['selected'] : '';
 		}