diff --git a/gas/config/.Sanitize b/gas/config/.Sanitize
index b0144f6972f..da9b69d9cd1 100644
--- a/gas/config/.Sanitize
+++ b/gas/config/.Sanitize
@@ -143,6 +143,7 @@ te-ic960.h
 te-irix.h
 te-linux.h
 te-lynx.h
+te-mach.h
 te-netbsd.h
 te-sco386.h
 te-sun3.h