diff --git a/.hgignore b/.hgignore
index 454be00dbffc27a0c6969fb3561556f08d5c1d96..cff2a14b940289e10e1a350030b595a9230f29ac 100644
--- a/.hgignore
+++ b/.hgignore
@@ -7,6 +7,8 @@ syntax: glob
 # Emacs temp files
 *~
 .*.swp
+#OSX image cache file
+*.DS_Store
 LICENSES
 indra/.distcc
 indra/build-darwin-*