diff --git a/phpBB/includes/mcp/mcp_main.php b/phpBB/includes/mcp/mcp_main.php
index 491697d2e9..8917e44776 100644
--- a/phpBB/includes/mcp/mcp_main.php
+++ b/phpBB/includes/mcp/mcp_main.php
@@ -630,10 +630,12 @@ function mcp_move_topic($topic_ids)
 				*
 				* @event core.mcp_main_modify_shadow_sql
 				* @var	array	shadow	SQL array to be used by $db->sql_build_array
+				* @var	array	row		Topic data
 				* @since 3.1.11-RC1
 				*/
 				$vars = array(
 					'shadow',
+					'row',
 				);
 				extract($phpbb_dispatcher->trigger_event('core.mcp_main_modify_shadow_sql', compact($vars)));