diff --git a/packages/frontend/src/workers/draw-blurhash.ts b/packages/frontend/src/workers/draw-blurhash.ts
index e85303fed4..2fd3aebd41 100644
--- a/packages/frontend/src/workers/draw-blurhash.ts
+++ b/packages/frontend/src/workers/draw-blurhash.ts
@@ -14,5 +14,5 @@ onmessage = async (event) => {
 	imageData.data.set(pixels);
 	ctx.putImageData(imageData, 0, 0);
     const bitmap = canvas.transferToImageBitmap();
-    postMessage(bitmap, [bitmap]);
+    postMessage(bitmap);
 };