diff --git a/gdb/config/.Sanitize b/gdb/config/.Sanitize
index c75526f40e8..19d2a453763 100644
--- a/gdb/config/.Sanitize
+++ b/gdb/config/.Sanitize
@@ -24,6 +24,7 @@ Things-to-keep:
 3b1.mh
 3b1.mt
 a29k-kern.mt
+a29k-udi.mt
 a29k.mt
 altos.mh
 altos.mt