diff --git a/requirejs/require-tests.ts b/requirejs/require-tests.ts
index 182ff785cb..5788eabeb7 100644
--- a/requirejs/require-tests.ts
+++ b/requirejs/require-tests.ts
@@ -36,4 +36,9 @@ require(['main'], (main, $, _, Backbone) => {
 	var app = main.AppMain();
 	app.run();
 
-});
\ No newline at end of file
+});
+
+// ISSUE: https://github.com/borisyankov/DefinitelyTyped/issues/764
+var recOne = requirejs.config({ baseUrl: 'js' });
+recOne(['core'], function (core) {/*some code*/});
+
diff --git a/requirejs/require.d.ts b/requirejs/require.d.ts
index ed9fbad28d..711321b7df 100644
--- a/requirejs/require.d.ts
+++ b/requirejs/require.d.ts
@@ -126,8 +126,8 @@ interface RequireMap {
 
 interface Require {	
 
-	// Configure require.js
-	config(config: RequireConfig): void;
+    // Configure require.js
+    config(config: RequireConfig): Require;
 
 	// Start the main app logic.
 	// Callback is optional.