diff --git a/FILES b/FILES
index d683b114607e7b61304b3a6c1c44d7e0fedc57aa..ec5a4e481e71c8f8b3614621c031eb671ae9208f 100644
--- a/FILES
+++ b/FILES
@@ -25,6 +25,7 @@ maketgz
 Makefile.in
 Makefile.am
 acconfig.h
+acinclude.m4
 aclocal.m4
 config.guess
 config.h.in