diff --git a/configuration.nix b/configuration.nix
index 95bea42..9338748 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -100,7 +100,6 @@ in
       xterm.enable = false;
       plasma6.enable = true;
       sddm.enable = true;
-      defaultSession = "plasma6";
     };
   };
   
diff --git a/nixos-switch.log b/nixos-switch.log
index 649bb77..e9c6dcd 100644
--- a/nixos-switch.log
+++ b/nixos-switch.log
@@ -19,8 +19,11 @@ error:
 
        (stack trace truncated; use '--show-trace' to show the full trace)
 
-       error: The option `services.desktopManager.defaultSession' does not exist. Definition values:
-       - In `/etc/nixos/configuration.nix': "plasma6"
+       error: The option `services.desktopManager.sddm' does not exist. Definition values:
+       - In `/etc/nixos/configuration.nix':
+           {
+             enable = true;
+           }
 building Nix...
 error:
        … while evaluating the attribute 'config'
@@ -43,8 +46,11 @@ error:
 
        (stack trace truncated; use '--show-trace' to show the full trace)
 
-       error: The option `services.desktopManager.defaultSession' does not exist. Definition values:
-       - In `/etc/nixos/configuration.nix': "plasma6"
+       error: The option `services.desktopManager.sddm' does not exist. Definition values:
+       - In `/etc/nixos/configuration.nix':
+           {
+             enable = true;
+           }
 building the system configuration...
 error:
        … while evaluating the attribute 'config.system.build.toplevel'
@@ -67,5 +73,8 @@ error:
 
        (stack trace truncated; use '--show-trace' to show the full trace)
 
-       error: The option `services.desktopManager.defaultSession' does not exist. Definition values:
-       - In `/etc/nixos/configuration.nix': "plasma6"
+       error: The option `services.desktopManager.sddm' does not exist. Definition values:
+       - In `/etc/nixos/configuration.nix':
+           {
+             enable = true;
+           }