diff --git a/nixos/modules/virtualisation/virtualbox-image.nix b/nixos/modules/virtualisation/virtualbox-image.nix
index bea6414c4504..beed36b6a516 100644
--- a/nixos/modules/virtualisation/virtualbox-image.nix
+++ b/nixos/modules/virtualisation/virtualbox-image.nix
@@ -49,7 +49,7 @@ with pkgs.lib;
           echo "filling Nix store..."
           mkdir -p /mnt/nix/store
           set -f
-          cp -prvd $storePaths /mnt/nix/store/
+          cp -prd $storePaths /mnt/nix/store/
 
           # Register the paths in the Nix database.
           printRegistration=1 perl ${pkgs.pathsFromGraph} /tmp/xchg/closure | \