diff --git a/home-manager/linux/programs/hyprland.nix b/home-manager/linux/programs/hyprland.nix
index e2001ca..0dec892 100644
--- a/home-manager/linux/programs/hyprland.nix
+++ b/home-manager/linux/programs/hyprland.nix
@@ -204,7 +204,7 @@ in with lib; {
 
         # systemd integration
         exec-once=dbus-update-activation-environment --systemd ${
-          lib.concatStringsSep "" ([
+          lib.concatStringsSep " " ([
             "DISPLAY"
             "WAYLAND_DISPLAY"
             "HYPRLAND_INSTANCE_SIGNATURE"
@@ -212,6 +212,7 @@ in with lib; {
             "XDG_SESSION_TYPE"
             "XDG_SESSION_DESKTOP"
             "XDG_DESKTOP_PORTAL_DIR"
+            "XDG_BACKEND"
             "GDK_BACKEND"
             "QT_QPA_PLATFORM"
             "SDL_VIDEODRIVER"