diff --git a/helloworld.py b/helloworld.py
index a0c4376..9f7b6e2 100755
--- a/helloworld.py
+++ b/helloworld.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 from trezorlib.client import TrezorClient
 from trezorlib.transport_hid import HidTransport