diff --git a/.gitignore b/.gitignore
index fbc7f93ca..c5819b3b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,5 @@
 vex
 
 auxprogs/genoffsets
+auxprogs/genoffsets.dSYM
 pub/libvex_guest_offsets.h