diff --git a/src/pages/og.png.ts b/src/pages/og.png.ts
index f7d5064..f5e1c2c 100644
--- a/src/pages/og.png.ts
+++ b/src/pages/og.png.ts
@@ -1,7 +1,9 @@
 import type { APIRoute } from "astro";
 import { generateOgImageForSite } from "@/utils/generateOgImages";
 
-export const GET: APIRoute = async () =>
-  new Response(await generateOgImageForSite(), {
+export const GET: APIRoute = async () => {
+  const buffer = await generateOgImageForSite();
+  return new Response(new Uint8Array(buffer), {
     headers: { "Content-Type": "image/png" },
   });
+};
diff --git a/src/pages/posts/[...slug]/index.png.ts b/src/pages/posts/[...slug]/index.png.ts
index 3295ecb..48fab2f 100644
--- a/src/pages/posts/[...slug]/index.png.ts
+++ b/src/pages/posts/[...slug]/index.png.ts
@@ -27,10 +27,8 @@ export const GET: APIRoute = async ({ props }) => {
     });
   }
 
-  return new Response(
-    await generateOgImageForPost(props as CollectionEntry<"blog">),
-    {
-      headers: { "Content-Type": "image/png" },
-    }
-  );
+  const buffer = await generateOgImageForPost(props as CollectionEntry<"blog">);
+  return new Response(new Uint8Array(buffer), {
+    headers: { "Content-Type": "image/png" },
+  });
 };