diff --git a/user/default.nix b/user/default.nix
index a1ffdb4..48baa07 100644
--- a/user/default.nix
+++ b/user/default.nix
@@ -26,6 +26,14 @@
       tmux.enable = true;
       firefox.enable = true;
       xdg.enable = true;
+      services.picom = {
+        enable = true;
+        settings = {
+          unredir-if-possible = false;
+          backend = "xrender"; # try "glx" if xrender doesn't help
+          vsync = true;
+        };
+      };
       home = {
         username = "${user}";
         homeDirectory = "/home/${user}";