diff --git a/renderer/Renderer.ts b/renderer/Renderer.ts
index 74b814e..e690509 100644
--- a/renderer/Renderer.ts
+++ b/renderer/Renderer.ts
@@ -44,7 +44,7 @@ export class Renderer {
 
     this.canvas2 = document.createElement("canvas");
 
-    this.ctx = prepareCanvas(canvas, this.h, this.w);
+    this.ctx = prepareCanvas(canvas, this.w, this.h);
     this.ctx2 = prepareCanvas(this.canvas2, this.cellSize, this.cellSize);
   }