diff --git a/wp-includes/post.php b/wp-includes/post.php
index c1dfd168d9..37e1057e98 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -1379,7 +1379,11 @@ function get_post_type_labels( $post_type_object ) {
 		'all_items' => array( __( 'All Posts' ), __( 'All Pages' ) )
 	);
 	$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
-	return _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults );
+
+	$labels = _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults );
+
+	$post_type = $post_type_object->name;
+	return apply_filters( "post_type_labels_{$post_type}", $labels );
 }
 
 /**