diff --git a/lib/.cvsignore b/lib/.cvsignore
index 0c814fc673..0027491be2 100644
--- a/lib/.cvsignore
+++ b/lib/.cvsignore
@@ -30,3 +30,4 @@ wxbase*.ilk
 wxmsw*.dll
 wxmsw*.exp
 wxmsw*.ilk
+.DS_Store