diff --git a/setup.cfg b/setup.cfg
index 15acf37745cf69e95f1025823666dc6ce8e29b1f..2a6d8789856f4d35358cc032cfaf5f262acc2a46 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -57,7 +57,7 @@ disable =
     fixme
 
 [pylint.BASIC]
-good-names = ex, i, j, k, Run, _, e, x, dn, cn, ip, os, unicode
+good-names = ex, i, j, k, Run, _, e, x, dn, cn, ip, os, unicode, __metaclass__
 
 [pylint.IMPORTS]
 ignored-modules =