diff --git a/wp-includes/capabilities.php b/wp-includes/capabilities.php
index ab6ec3524..a40d0a580 100644
--- a/wp-includes/capabilities.php
+++ b/wp-includes/capabilities.php
@@ -905,7 +905,7 @@ function map_meta_cap( $cap, $user_id ) {
 		$caps[] = $cap;
 	}
 
-	return $caps;
+	return apply_filters('map_meta_cap', $caps, $cap, $user_id, $args);
 }
 
 /**