diff --git a/basis/unix/statfs/statfs.factor b/basis/unix/statfs/statfs.factor
index 4e3ba0d9f9..9a636b795f 100644
--- a/basis/unix/statfs/statfs.factor
+++ b/basis/unix/statfs/statfs.factor
@@ -8,6 +8,6 @@ os {
     { linux   [ "unix.statfs.linux"   require ] }
     { macosx  [ "unix.statfs.macosx"  require ] }
     { freebsd [ "unix.statfs.freebsd" require ] }
-    ! { netbsd  [ "unix.statfs.netbsd"  require ] }
-    ! { openbsd [ "unix.statfs.openbsd" require ] }
+    { netbsd  [ ] }
+    { openbsd [ ] }
 } case