diff --git a/.hgignore b/.hgignore
index 4d98acf5d974d722bab5b39ecb8d9400a519a8d5..1d4890810f96dec1798cc85ad91271107590221d 100644
--- a/.hgignore
+++ b/.hgignore
@@ -9,6 +9,7 @@ syntax: glob
 .*.swp
 #OSX image cache file
 *.DS_Store
+*.orig
 LICENSES
 indra/.distcc
 indra/build-darwin-*