diff --git a/flake.nix b/flake.nix
index db75ca2..78a8947 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,32 +22,22 @@
           default = self.packages.${system}.image;
           image = pkgs.writeShellScriptBin "image" ''
             echo "make UKI..."
-            echo ${self.packages.${system}.kernel.kernel}/bzImage
-            ${self.packages.${system}.systemd.out}/usr/bin/ukify build \
+            ${self.packages.${system}.systemd.out}/bin/ukify build \
             --linux ${self.packages.${system}.kernel.kernel}/bzImage \
-            --initrd ./initrd.gz \
+            --initrd ./out/initrd.gz \
             --cmdline "console=ttyS0" \
-            -o patos.efi
+            -o patos.uki
           '';
 
           kernel = pkgs.callPackage ./kernel { };
           initrd = pkgs.writeShellScriptBin "mkinitrd" ''
             echo "make initrd..."
-            mkdir -p out
+            mkdir -p out/lib
             # copy systemd
             cp -r ${self.packages.${system}.systemd.out}/* out/
             pushd out
 
-            chmod 755 etc usr/lib
-
-            mkdir -p dev proc sys tmp root
-            ln -sf usr/bin bin
-            ln -sf usr/sbin sbin
-            ln -sf usr/lib lib
-            ln -sf usr/lib lib64
-
-            ln -sf ../proc/self/mounts etc/mtab
-            ln -sf usr/lib/systemd/systemd init
+            chmod 755 etc
 
             echo patos > ./etc/hostname
             cat <<EOF > ./etc/os-release
@@ -109,10 +99,10 @@
             chmod 644 ./etc/group
 
             # get shared libs
-            find . -type f -executable | xargs ldd | awk '{print $3}' | grep -v systemd | sort -u | xargs cp -t usr/lib
+            find . -type f -executable | xargs ldd | awk '{print $3}' | grep -v systemd | sort -u | xargs cp -t lib
 
             # gen initrd
-            find . -print0 | ${pkgs.lib.getExe pkgs.cpio} --null --owner=root:root -o --format=newc | ${pkgs.lib.getExe pkgs.gzip} -9 > ../initrd.gz
+            find . -print0 | ${pkgs.lib.getExe pkgs.cpio} --null --owner=root:root -o --format=newc | ${pkgs.lib.getExe pkgs.gzip} -9 > initrd.gz
           '';
           systemd = pkgs.callPackage ./systemd { };
         };
diff --git a/systemd/default.nix b/systemd/default.nix
index 4c95e07..05aeba4 100644
--- a/systemd/default.nix
+++ b/systemd/default.nix
@@ -171,7 +171,7 @@ stdenv.mkDerivation (finalAttrs: {
     "--sysconfdir=/etc"
     "--localstatedir=/var"
     "--libdir=/usr/lib"
-    "--bindir=/usr/bin"
+    "--bindir=/bin"
     "--includedir=/usr/include"
     "--localedir=/usr/share/locale"