diff --git src/includes/topics/functions.php src/includes/topics/functions.php
index d0526a6..66cdfc4 100644
--- src/includes/topics/functions.php
+++ src/includes/topics/functions.php
@@ -1031,6 +1031,9 @@ function bbp_move_topic_handler( $topic_id, $old_forum_id, $new_forum_id ) {
 	$old_forum_id = bbp_get_forum_id( $old_forum_id );
 	$new_forum_id = bbp_get_forum_id( $new_forum_id );

+	bbp_clean_post_cache( $old_forum_id );
+	bbp_clean_post_cache( $new_forum_id );
+
 	// Update topic forum's ID
 	bbp_update_topic_forum_id( $topic_id, $new_forum_id );