diff --git a/pkgs/applications/graphics/sane/backends.nix b/pkgs/applications/graphics/sane/backends.nix
index 28d2f1e200b..74321549318 100644
--- a/pkgs/applications/graphics/sane/backends.nix
+++ b/pkgs/applications/graphics/sane/backends.nix
@@ -33,8 +33,8 @@ stdenv.mkDerivation rec {
   postInstall = ''
     if test "$udevSupport" = "1"; then
       mkdir -p $out/etc/udev/rules.d/
-      ./tools/sane-desc -m udev > $out/etc/udev/rules.d/60-libsane.rules || \
-      cp tools/udev/libsane.rules $out/etc/udev/rules.d/60-libsane.rules
+      ./tools/sane-desc -m udev > $out/etc/udev/rules.d/49-libsane.rules || \
+      cp tools/udev/libsane.rules $out/etc/udev/rules.d/49-libsane.rules
     fi
   '';