diff --git a/doc/conf.py b/doc/conf.py
index 45948eb4f9ba..4a84e85b9ed0 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -312,13 +312,14 @@ class QMainWindow(object):
             pass
 
 
-class mocksip(MagicMock):
+class MySip(MagicMock):
     def getapi(*args):
         return 1
 
 
 mockwxversion = MagicMock()
 mockwx = MyWX()
+mocksip = MySip()
 mockpyqt4 = MyPyQt4()
 sys.modules['wxversion'] = mockwxversion
 sys.modules['wx'] = mockwx