diff --git a/httpd/treatasm.py b/httpd/treatasm.py
index 2940a3a..9fe89f4 100755
--- a/httpd/treatasm.py
+++ b/httpd/treatasm.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 import re
 import sys