diff --git a/nixos/modules/services/desktop-managers/plasma6.nix b/nixos/modules/services/desktop-managers/plasma6.nix
index 1710d28954d6..b549c0d1e7dd 100644
--- a/nixos/modules/services/desktop-managers/plasma6.nix
+++ b/nixos/modules/services/desktop-managers/plasma6.nix
@@ -252,6 +252,7 @@ in {
     services.xserver.displayManager.sddm = {
       package = kdePackages.sddm;
       theme = mkDefault "breeze";
+      wayland.compositor = "kwin";
       extraPackages = with kdePackages; [
         breeze-icons
         kirigami