diff --git a/src/index.ts b/src/index.ts
index 2de59a30..1d29703d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -47,6 +47,8 @@ export async function toCanvas<T extends HTMLElement>(
   }
   canvas.style.width = `${canvasWidth}`
   canvas.style.height = `${canvasHeight}`
+  canvas.setAttribute('width', `${canvasWidth}`)
+  canvas.setAttribute('height', `${canvasHeight}`)
 
   if (options.backgroundColor) {
     context.fillStyle = options.backgroundColor