diff --git a/app.py b/app.py
index e7b525d..1845927 100644
--- a/app.py
+++ b/app.py
@@ -446,4 +446,4 @@ def download_file():
     return send_from_directory(app.config['OUTPUT_FOLDER'], output_filename, as_attachment=True)
 
 if __name__ == '__main__':
-    app.run(debug=True)
+    app.run(host='0.0.0.0', port=12000, debug=True)