diff --git a/slugify.d.ts b/slugify.d.ts
index e20f795..4f745b6 100644
--- a/slugify.d.ts
+++ b/slugify.d.ts
@@ -1,4 +1,4 @@
-declare module slugify {
+declare namespace slugify {
   type ExtendArgs = {
     [key: string]: any;
   }