diff --git a/assets/scripts/nethack/dungeon.js b/assets/scripts/nethack/dungeon.js
index c7f071b..4638317 100644
--- a/assets/scripts/nethack/dungeon.js
+++ b/assets/scripts/nethack/dungeon.js
@@ -389,7 +389,7 @@ let grid;
 
 new p5(p => {
   const CELL_WIDTH = 20;
-  const CELL_HEIGHT = Math.floor(CELL_WIDTH * 1.333);
+  const CELL_HEIGHT = Math.floor(CELL_WIDTH * 1.3);
 
   p.setup = () => {
     const container = document.querySelector('#dungeon-background');