diff --git a/src/.gitignore b/src/.gitignore
index b6e44c8a..8373308b 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -1,5 +1,6 @@
 luajit
 buildvm
+lj_bcdef.h
 lj_ffdef.h
 lj_libdef.h
 lj_recdef.h