diff --git a/gdb/config/alpha/.Sanitize b/gdb/config/alpha/.Sanitize
index 4f217092e14..4344f9bafec 100644
--- a/gdb/config/alpha/.Sanitize
+++ b/gdb/config/alpha/.Sanitize
@@ -23,6 +23,7 @@ Things-to-keep:
 
 alpha-osf1.mh
 alpha-osf1.mt
+alpha-nw.mt
 nm-alpha.h
 tm-alpha.h
 xm-alpha.h