diff --git a/README.md b/README.md
index ac6584c..a80416a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 # TODO
 
-- fix screen freeze
 - auto-install firefox extensions
 - flakes?
 - keepassxc
diff --git a/configuration.nix b/configuration.nix
index 464449e..35beec8 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -11,7 +11,11 @@ in
       (import "${home-manager}/nixos")
     ];
 
-  boot.loader.systemd-boot.enable = true;
+  boot = {
+    loader.systemd-boot.enable = true;
+    kernelParams = [ "i915.enable_psr=0" ];
+  };
+
   networking.hostName = "x260";
   time.timeZone = "Europe/Amsterdam";
   i18n.defaultLocale = "en_US.UTF-8";