diff --git a/.gitignore b/.gitignore
index c2e8cb5c08..9e33da1b6f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,6 +48,7 @@
 /enc/trans/*.c
 /encdb.h
 /ext/win32ole/.document
+/exts.mk
 /goruby
 /id.h
 /largefile.h