diff --git a/nixos/worklaptop.nix b/nixos/worklaptop.nix
index 844f089..497a2c7 100644
--- a/nixos/worklaptop.nix
+++ b/nixos/worklaptop.nix
@@ -42,7 +42,7 @@
       ];
     };
     nvidia = {
-      branch = "stable";
+      branch = "legacy_535";
       # Modesetting is required.
       modesetting.enable = true;
       powerManagement.enable = false;