diff --git a/Doc/html/.cvsignore b/Doc/html/.cvsignore
index a67ec7affcf..c527166f837 100644
--- a/Doc/html/.cvsignore
+++ b/Doc/html/.cvsignore
@@ -2,6 +2,7 @@ api
 ext
 icons
 lib
+mac
 ref
 tut
 @webchecker.pickle