diff --git a/nix/configurations/vanadium/nixos/gui.nix b/nix/configurations/vanadium/nixos/gui.nix
index 2bf33ca7..57153696 100644
--- a/nix/configurations/vanadium/nixos/gui.nix
+++ b/nix/configurations/vanadium/nixos/gui.nix
@@ -36,8 +36,10 @@
 
   services.picom = {
     enable = true;
-    backend = "glx";
+    # avoid tearing
     vSync = true;
+
+    # buttery smooth
     fade = true;
     fadeDelta = 3;
     settings = {