diff --git a/dumbdecode.py b/dumbdecode.py
index afbfc11..8f965e7 100755
--- a/dumbdecode.py
+++ b/dumbdecode.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/python3
 
 import sys
 from netarch import ip