diff --git a/basis/io/files/windows/nt/nt.factor b/basis/io/files/windows/nt/nt.factor
index d0d9d5174a..15ac8ef1f0 100755
--- a/basis/io/files/windows/nt/nt.factor
+++ b/basis/io/files/windows/nt/nt.factor
@@ -4,7 +4,7 @@ io.backend.windows io.files.windows io.encodings.utf16n windows
 windows.kernel32 kernel libc math threads system environment
 alien.c-types alien.arrays alien.strings sequences combinators
 combinators.short-circuit ascii splitting alien strings assocs
-namespaces make accessors tr ;
+namespaces make accessors tr io.files.info ;
 IN: io.files.windows.nt
 
 M: winnt cwd
@@ -45,7 +45,7 @@ M: winnt CreateFile-flags ( DWORD -- DWORD )
     FILE_FLAG_OVERLAPPED bitor ;
 
 M: winnt open-append
-    0 ! [ dup file-info size>> ] [ drop 0 ] recover
+    [ dup file-info size>> ] [ drop 0 ] recover
     [ (open-append) ] dip >>ptr ;
 
 M: winnt home "USERPROFILE" os-env ;