diff --git a/plugins/mysql-apt/index.py b/plugins/mysql-apt/index.py
index a157ec7c4..456d9aa11 100755
--- a/plugins/mysql-apt/index.py
+++ b/plugins/mysql-apt/index.py
@@ -1,4 +1,4 @@
-# coding:utf-8
+# coding=utf-8
 
 import sys
 import io