diff --git a/pysollib/games/braid.py b/pysollib/games/braid.py
index 3be60584..cf7147d4 100644
--- a/pysollib/games/braid.py
+++ b/pysollib/games/braid.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 # -*- mode: python; coding: utf-8; -*-
 # ---------------------------------------------------------------------------
 #