diff --git a/nixos/modules/security/setuid-wrappers.nix b/nixos/modules/security/setuid-wrappers.nix
index 109e61df79e..450fed73658 100644
--- a/nixos/modules/security/setuid-wrappers.nix
+++ b/nixos/modules/security/setuid-wrappers.nix
@@ -9,10 +9,11 @@ let
   setuidWrapper = pkgs.stdenv.mkDerivation {
     name = "setuid-wrapper";
     buildCommand = ''
-      ensureDir $out/bin
+      mkdir -p $out/bin
+      cp ${./setuid-wrapper.c} setuid-wrapper.c
       gcc -Wall -O2 -DWRAPPER_DIR=\"${wrapperDir}\" \
-          ${./setuid-wrapper.c} -o $out/bin/setuid-wrapper
-      strip -s $out/bin/setuid-wrapper
+          setuid-wrapper.c -o $out/bin/setuid-wrapper
+      strip -S $out/bin/setuid-wrapper
     '';
   };