diff --git a/knockout.mapping/knockout.mapping.d.ts b/knockout.mapping/knockout.mapping.d.ts
index 2213d87c38..cc116096d3 100644
--- a/knockout.mapping/knockout.mapping.d.ts
+++ b/knockout.mapping/knockout.mapping.d.ts
@@ -46,3 +46,7 @@ interface KnockoutMapping {
 interface KnockoutStatic {
     mapping: KnockoutMapping;
 }
+
+declare module "knockout.mapping" {
+    export = KnockoutMapping;
+}