diff --git a/configs/thilo-laptop/nixos.nix b/configs/thilo-laptop/nixos.nix
index 45569b7..03efc74 100644
--- a/configs/thilo-laptop/nixos.nix
+++ b/configs/thilo-laptop/nixos.nix
@@ -38,7 +38,7 @@
       enable = true;
       displayManager.sddm.enable = true;
       desktopManager.plasma5.enable = true;
-      defaultSession = "plasmawayland";
+      displayManager.defaultSession = "plasmawayland";
       layout = "us";
       xkbVariant = "";
     };