diff --git a/vinyl-source-stream/vinyl-source-stream.d.ts b/vinyl-source-stream/vinyl-source-stream.d.ts
index cf5f8082a..0a6d663c6 100644
--- a/vinyl-source-stream/vinyl-source-stream.d.ts
+++ b/vinyl-source-stream/vinyl-source-stream.d.ts
@@ -7,5 +7,6 @@
 
 declare module "vinyl-source-stream" {
     function vinylSourceStream(filename: string): NodeJS.ReadWriteStream;
+    namespace vinylSourceStream {}
     export = vinylSourceStream;
-}
\ No newline at end of file
+}