diff --git a/.hgignore b/.hgignore
index 39e7fe7bd2fce1ec3025ee62e2a2742f96adeb5b..99c603b486cb72cfa519cd928e8fe67aa8d2127a 100644
--- a/.hgignore
+++ b/.hgignore
@@ -34,3 +34,7 @@ target/*
 CVS/*
 .cvsignore
 
+# Mac idiosyncrasies
+.DS_Store
+
+