diff --git a/bin/setup-dunepy.py b/bin/setup-dunepy.py
index 52d7b4b3a99b7bbc44902063851a9c50827b3961..dfb5bc6f7a53ea522ae13fd354150363da992a3d 100755
--- a/bin/setup-dunepy.py
+++ b/bin/setup-dunepy.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import getopt
 import os
 import shlex