diff --git a/client/desktop.nix b/client/desktop.nix
index 93f87d7..0362871 100644
--- a/client/desktop.nix
+++ b/client/desktop.nix
@@ -18,6 +18,8 @@
         gnome = {
           enable = true;
           debug = true;
+
+          flashback.enableMetacity = true;
         };
 
         xterm.enable = false;
@@ -28,6 +30,7 @@
 
     displayManager = {
       logToFile = true;
+      defaultSession = "gnome-flashback-metacity";
     };
 
     gnome = {