diff --git a/README.md b/README.md
index a15e676695..45c119a654 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,14 @@
 $ npm install --save docx
 ```
 
+# Demo
+
+```sh
+$ npm run demo
+```
+
+will run the demo app in the `demo` folder, which creates a file called "My Document.docx" in the root of the project
+
 
 # Usage
 
diff --git a/ts/export/packer/local.ts b/ts/export/packer/local.ts
index 319f2e16f1..d1a5980662 100644
--- a/ts/export/packer/local.ts
+++ b/ts/export/packer/local.ts
@@ -13,6 +13,7 @@ export class LocalPacker extends Packer {
     }
 
     public pack(path: string): void {
+        path = path.replace(/.docx$/, "");
         this.stream = fs.createWriteStream(`${path}.docx`);
         super.pack(this.stream);
     }