diff --git a/users/patriot/default.nix b/users/patriot/default.nix
index d3e6578..c9b2d69 100644
--- a/users/patriot/default.nix
+++ b/users/patriot/default.nix
@@ -691,6 +691,11 @@ in {
             grabKeyboardAndMouse = false;
             pinentryFlavor = "qt";
           };
+        gammastep = {
+          enable = true;
+          latitude = 36.9;
+          longitude = 30.7;
+        };
       };
       xdg = {
         enable = true;