diff --git a/etc/python/common.py b/etc/python/common.py
index cebd763..6028dc0 100644
--- a/etc/python/common.py
+++ b/etc/python/common.py
@@ -1,4 +1,4 @@
-# -*- mode: utf-8 -*-
+# -*- coding: utf-8 -*-
 #
 # common.py
 # ---------