diff --git a/extra/hardware-info/windows/nt/nt.factor b/extra/hardware-info/windows/nt/nt.factor
index dafa90bcec..6274e7974c 100755
--- a/extra/hardware-info/windows/nt/nt.factor
+++ b/extra/hardware-info/windows/nt/nt.factor
@@ -1,7 +1,7 @@
 USING: alien alien.c-types alien.strings
 kernel libc math namespaces hardware-info.backend
 hardware-info.windows windows windows.advapi32
-windows.kernel32 system ;
+windows.kernel32 system byte-arrays ;
 IN: hardware-info.windows.nt
 
 M: winnt cpus ( -- n )