diff --git a/sim/.Sanitize b/sim/.Sanitize
index a01f50e6c0..a0073f7280 100644
--- a/sim/.Sanitize
+++ b/sim/.Sanitize
@@ -29,6 +29,7 @@ configure.in
 h8300
 h8500
 sh
+w65
 z8k
 
 Things-to-lose: