diff --git a/.hgignore b/.hgignore
index 305d6889b..8222b4881 100644
--- a/.hgignore
+++ b/.hgignore
@@ -13,8 +13,9 @@ syntax: glob
 # Temporary files used by the vim editor.
 .*.swp
 
-# A hidden file created by the Mac OS X Finder.
+# A hidden files created by the Mac OS X Finder.
 .DS_Store
+._.DS_Store
 
 # Ignore this directory.
 html/