diff --git a/scripts/mailmapper b/scripts/mailmapper
index 922ada6..78b23d1 100755
--- a/scripts/mailmapper
+++ b/scripts/mailmapper
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 #
 # Copyright (C) 2014, Masahiro Yamada <yamada.m@jp.panasonic.com>
 #