diff --git a/phpBB/includes/mcp/mcp_main.php b/phpBB/includes/mcp/mcp_main.php
index 4a80143695..599bd5d918 100644
--- a/phpBB/includes/mcp/mcp_main.php
+++ b/phpBB/includes/mcp/mcp_main.php
@@ -463,7 +463,7 @@ function change_topic_type($action, $topic_ids)
 */
 function mcp_move_topic($topic_ids)
 {
-	global $auth, $user, $db, $template, $phpbb_log, $request;
+	global $auth, $user, $db, $template, $phpbb_log, $request, $phpbb_dispatcher;
 	global $phpEx, $phpbb_root_path;
 
 	// Here we limit the operation to one forum only
@@ -625,6 +625,18 @@ function mcp_move_topic($topic_ids)
 					'poll_last_vote'		=>	(int) $row['poll_last_vote']
 				);
 
+				/**
+				* Perform actions before shadow topic is created.
+				*
+				* @event core.mcp_main_modify_shadow_sql
+				* @var	array	shadow	SQL array to be used by $db->sql_build_array
+				* @since 3.1.11-RC1
+				*/
+				$vars = array(
+					'shadow',
+				);
+				extract($phpbb_dispatcher->trigger_event('core.mcp_main_modify_shadow_sql', compact($vars)));
+
 				$db->sql_query('INSERT INTO ' . TOPICS_TABLE . $db->sql_build_array('INSERT', $shadow));
 
 				// Shadow topics only count on new "topics" and not posts... a shadow topic alone has 0 posts