diff --git a/pkgs/niri/default.nix b/pkgs/niri/default.nix
index b9955c22..0da93afb 100644
--- a/pkgs/niri/default.nix
+++ b/pkgs/niri/default.nix
@@ -4,14 +4,17 @@
 , pkg-config
 , pipewire
 , udev
-, clang
-, libclang
 , libxkbcommon
 , libinput
 , systemd
 , wayland
 , mesa
 , seatd
+
+# Session script dependencies.
+, makeBinaryWrapper
+, coreutils
+, dbus
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -26,12 +29,12 @@ rustPlatform.buildRustPackage rec {
   };
 
   nativeBuildInputs = [
+    makeBinaryWrapper
     pkg-config
-    clang
+    rustPlatform.bindgenHook
   ];
 
   buildInputs = [
-    libclang.lib
     libinput
     libxkbcommon
     mesa
@@ -42,19 +45,32 @@ rustPlatform.buildRustPackage rec {
     wayland
   ];
 
-  env.LIBCLANG_PATH = "${libclang.lib}/lib";
-
   cargoLock = {
-    lockFile = ./Cargo.lock;
+    lockFile = "${src}/Cargo.lock";
     outputHashes = {
       "smithay-0.3.0" = "sha256-Eqs4wqogdld6MHOXQ2NRFCgJH4RHf4mYWFdjRVUVxsk=";
     };
   };
 
+  postPatch = ''
+    patchShebangs ./resources/niri-session
+  '';
+
+  postInstall = ''
+    install -Dm0755 resources/niri-session -t $out/libexec
+    makeWrapper $out/libexec/niri-session \
+      --prefix PATH ':' '${lib.makeBinPath [ coreutils systemd dbus ]}'
+
+    install -Dm0644 resources/niri.desktop -t $out/share/applications
+    install -Dm0644 resources/niri-portals.conf -t $out/share/xdg-desktop-portal
+    install -Dm0644 resources/niri{-shutdown.target,.service} -t $out/share/systemd
+  '';
+
   meta = with lib; {
     homepage = "https://github.com/YaLTeR/niri";
     description = "Scrollable tiling window manager";
     license = licenses.gpl3Plus;
+    mainProgram = "niri";
     maintainers = with maintainers; [ foo-dogsquared ];
     platforms = platforms.linux;
   };