diff --git a/instances/sif/configuration.nix b/instances/sif/configuration.nix
index e1364a2..768c1cf 100644
--- a/instances/sif/configuration.nix
+++ b/instances/sif/configuration.nix
@@ -32,7 +32,7 @@
     };
     displayManager = {
       enable = true;
-      defaultSession = "hyprland";
+      defaultSession = "cosmic";
       # cosmic-greeter.enable = true;
       # sddm.enable = true;
       gdm.enable = true;