diff --git a/src/lib/es6.d.ts b/src/lib/es6.d.ts
index d7d9bbce1b4..934aa9d0762 100644
--- a/src/lib/es6.d.ts
+++ b/src/lib/es6.d.ts
@@ -174,6 +174,15 @@ interface Function {
       * Returns the name of the function. Function names are read-only and can not be changed.
       */
     name: string;
+
+    /**
+     * Determines whether the given value inherits from this function if this function was used
+     * as a constructor function.
+     *
+     * A constructor function can control which objects are recognized as its instances by
+     * 'instanceof' by overriding this method.
+     */
+    [Symbol.hasInstance](value: any): boolean;
 }
 
 interface NumberConstructor {