diff --git a/web/scripts/app.js b/web/scripts/app.js
index 97b7c8d3..514ca395 100644
--- a/web/scripts/app.js
+++ b/web/scripts/app.js
@@ -921,8 +921,9 @@ export class ComfyApp {
 		this.graph.start();
 
 		function resizeCanvas() {
-			canvasEl.width = canvasEl.offsetWidth;
-			canvasEl.height = canvasEl.offsetHeight;
+			canvasEl.width = canvasEl.offsetWidth * window.devicePixelRatio;
+			canvasEl.height = canvasEl.offsetHeight * window.devicePixelRatio;
+			canvasEl.getContext("2d").scale(window.devicePixelRatio, window.devicePixelRatio);
 			canvas.draw(true, true);
 		}