diff --git a/pkgs/tools/misc/uucp/default.nix b/pkgs/tools/misc/uucp/default.nix
index 4ef050b409e..39368da68be 100644
--- a/pkgs/tools/misc/uucp/default.nix
+++ b/pkgs/tools/misc/uucp/default.nix
@@ -10,6 +10,12 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
+  prePatch = ''
+    substituteInPlace Makefile.in \
+      --replace 4555 0555
+    sed -i '/chown $(OWNER)/d' Makefile.in
+  '';
+
   meta = {
     description = "Unix-unix cp over serial line, also includes cu program";