diff --git a/nixos/programs/gamer.nix b/nixos/programs/gamer.nix
index 7615af6..62452f1 100644
--- a/nixos/programs/gamer.nix
+++ b/nixos/programs/gamer.nix
@@ -17,7 +17,11 @@
     dedicatedServer.openFirewall = true;
     gamescopeSession = {
       enable = true;
-      args = ["-r" "120" "-O" "HDMI-A-1" "--rt" "--hdr-enabled" "--adaptive-sync"];
+      args = ["-r" "120" "-W" "3840" "-H" "2160" "-O" "HDMI-A-1" "--rt" "--hdr-enabled" "--adaptive-sync"];
+      env = {
+        ENABLE_HDR_WSI = "1";
+        DXVK_HDR = "1";
+      };
     };
   };
   programs.gamescope = {