diff --git a/modules/home/themes/layan.nix b/modules/home/themes/layan.nix
index d20379d..27d8c1a 100644
--- a/modules/home/themes/layan.nix
+++ b/modules/home/themes/layan.nix
@@ -27,6 +27,9 @@ in {
     home.sessionVariables = {
       QT_STYLE_OVERRIDE = "kvantum";
     };
+    systemd.user.settings.Manager.DefaultEnvironment = lib.mapAttrs (_: lib.mkDefault) {
+      QT_STYLE_OVERRIDE = "kvantum";
+    };
     xdg.configFile."Kvantum/kvantum.kvconfig".text = lib.generators.toINI {} {
       General.theme = "LayanDark";
     };