diff --git a/pkgs/os-specific/gnu/default.nix b/pkgs/os-specific/gnu/default.nix
index 19bdf8c0d34..67226c8a478 100644
--- a/pkgs/os-specific/gnu/default.nix
+++ b/pkgs/os-specific/gnu/default.nix
@@ -90,11 +90,11 @@ let
 
     smbfs = callPackage ./smbfs {
       samba = samba_light;
-      hurd = hurdCross;
+      hurd = gnu.hurdCross;
     };
 
     unionfs = callPackage ./unionfs {
-      hurd = hurdCross;
+      hurd = gnu.hurdCross;
     };
   }