diff --git a/.hgignore b/.hgignore
index 8c402ff3c62..de9bd5dbe29 100644
--- a/.hgignore
+++ b/.hgignore
@@ -1,6 +1,7 @@
 .gdb_history
 .purify
 .svn/
+.DS_Store
 Makefile$
 Makefile.pre$
 TAGS$