diff --git a/pkgs/development/python-modules/qtile/default.nix b/pkgs/development/python-modules/qtile/default.nix
index f0c0deb57b25..ce575f2151b9 100644
--- a/pkgs/development/python-modules/qtile/default.nix
+++ b/pkgs/development/python-modules/qtile/default.nix
@@ -212,8 +212,8 @@ buildPythonPackage (finalAttrs: {
   };
 
   postInstall = ''
-    install resources/qtile-generic.desktop -Dt $out/share/xsessions
-    install resources/qtile-generic.desktop -Dt $out/share/wayland-sessions
+    install -Dm644 resources/qtile-generic.desktop $out/share/xsessions/qtile.desktop
+    install -Dm644 resources/qtile-generic.desktop $out/share/wayland-sessions/qtile.desktop
   '';
 
   meta = {