Index: branches/RC/core/kernel/db/db_tag_processor.php
===================================================================
diff -u -N -r10356 -r10494
--- branches/RC/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 10356)
+++ branches/RC/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 10494)
@@ -496,8 +496,15 @@
 			$block_params['not_last'] = !$block_params['is_last']; // for front-end
 
 			if ($cache_mod_rw) {
-				$this->Application->setCache('filenames', $this->Prefix.'_'.$list->GetDBField($id_field), $list->GetDBField('Filename'));
-				$this->Application->setCache('filenames', 'c_'.$list->GetDBField('CategoryId'), $list->GetDBField('CategoryFilename'));
+				if ($this->Prefix == 'c') {
+					// for listing subcategories in category
+					$this->Application->setCache('filenames', $this->Prefix.'_'.$list->GetDBField($id_field), $list->GetDBField('NamedParentPath'));
+					$this->Application->setCache('category_tree', $list->GetDBField($id_field), $list->GetDBField('TreeLeft') . ';' . $list->GetDBField('TreeRight'));
+				} else {
+					// for listing items in category
+					$this->Application->setCache('filenames', 'c_'.$list->GetDBField('CategoryId'), $list->GetDBField('CategoryFilename'));
+					$this->Application->setCache('filenames', $this->Prefix.'_'.$list->GetDBField($id_field), $list->GetDBField('Filename'));
+				}
 			}
 
 			if ($i % $columns == 0) {