diff --git a/basis/io/backend/windows/nt/nt.factor b/basis/io/backend/windows/nt/nt.factor
index e41293b6de..bb8175b35c 100755
--- a/basis/io/backend/windows/nt/nt.factor
+++ b/basis/io/backend/windows/nt/nt.factor
@@ -118,3 +118,5 @@ M: winnt (wait-to-read) ( port -- )
     ] with-destructors ;
 
 M: winnt (init-stdio) init-c-stdio ;
+
+winnt set-io-backend