diff --git a/phpBB/includes/mcp/mcp_main.php b/phpBB/includes/mcp/mcp_main.php
index 0270166ad0..3f83d99a0f 100644
--- a/phpBB/includes/mcp/mcp_main.php
+++ b/phpBB/includes/mcp/mcp_main.php
@@ -1327,6 +1327,18 @@ function mcp_fork_topic($topic_ids)
 				'poll_vote_change'			=> (int) $topic_row['poll_vote_change'],
 			);
 
+			/**
+			* Perform actions before forked topic is created.
+			*
+			* @event core.mcp_main_modify_fork_sql
+			* @var	array	sql_ary	SQL array to be used by $db->sql_build_array
+			* @since 3.1.11-RC1
+			*/
+			$vars = array(
+				'sql_ary',
+			);
+			extract($phpbb_dispatcher->trigger_event('core.mcp_main_modify_fork_sql', compact($vars)));
+
 			$db->sql_query('INSERT INTO ' . TOPICS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary));
 			$new_topic_id = $db->sql_nextid();
 			$new_topic_id_list[$topic_id] = $new_topic_id;