diff --git a/config/.Sanitize b/config/.Sanitize
index 999d0b1bd8..fb325d6c35 100644
--- a/config/.Sanitize
+++ b/config/.Sanitize
@@ -55,6 +55,7 @@ mh-sysv
 mh-sysv4
 mh-vaxult2
 mh-x86pic
+mpw
 mpw-mh-mpw
 mt-m68kpic
 mt-netware