diff --git a/serve.py b/serve.py
index a925d3a..61ce313 100755
--- a/serve.py
+++ b/serve.py
@@ -35,4 +35,4 @@ if __name__ == "__main__":
 
     basedir = 'output/{lang}/'.format(lang=lang)
 
-    app.run(host='0.0.0.0', debug=True)
+    app.run(host='0.0.0.0', debug=True, port=8999)