diff --git a/base.nix b/base.nix
index e5cba23..57159ff 100644
--- a/base.nix
+++ b/base.nix
@@ -14,7 +14,7 @@
     monitorSection = ''
       Modeline "3840x2160_60.00"  712.75  3840 4160 4576 5312  2160 2163 2168 2237 -hsync +vsync
       Option "PreferredMode" "3840x2160_60.00"
-      DisplaySize 286 179    # In millimeters
+      DisplaySize 610 350    # In millimeters
     '';
   };