diff --git a/plugins/mysql/index.py b/plugins/mysql/index.py
index dfcaec076..fec450b13 100755
--- a/plugins/mysql/index.py
+++ b/plugins/mysql/index.py
@@ -195,7 +195,7 @@ def binLog():
         restart()
     else:
         path = getDataDir()
-        if args.has_key('status'):
+        if 'status' in args:
             dsize = 0
             for n in os.listdir(path):
                 if len(n) < 9: