diff --git a/extern/kvm_io b/extern/kvm_io
index 1acb4a3..fa4a4ae 100644
--- a/extern/kvm_io
+++ b/extern/kvm_io
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python2
 # -*- coding: utf-8 -*-
 # vim: set fileencoding=utf-8
 #