diff --git a/requirejs/require.d.ts b/requirejs/require.d.ts
index e52f8197a..a85699c77 100644
--- a/requirejs/require.d.ts
+++ b/requirejs/require.d.ts
@@ -249,6 +249,12 @@ interface Require {
 	**/
 	(modules: string[], ready: Function): void;
 
+	/**
+	* @see http://requirejs.org/docs/api.html#errbacks
+	* @param ready Called when required modules are ready.
+	**/
+	(modules: string[], ready: Function, errback: Function): void;
+
 	/**
 	* Generate URLs from require module
 	* @param module Module to URL