diff --git a/packages/backend/src/index.ts b/packages/backend/src/index.ts
index c723e8a..1390743 100644
--- a/packages/backend/src/index.ts
+++ b/packages/backend/src/index.ts
@@ -4,6 +4,7 @@ import fastifyCors from "@fastify/cors";
 import fastifyMultipart from "@fastify/multipart";
 import fastifyStatic from "@fastify/static";
 import { createYoga } from "graphql-yoga";
+import { Readable } from "stream";
 import path from "path";
 import { schema } from "./graphql/index";
 import { buildContext } from "./graphql/context";
@@ -69,7 +70,7 @@ async function main() {
       for (const [key, value] of response.headers.entries()) {
         reply.header(key, value);
       }
-      return reply.send(response.body);
+      return reply.send(Readable.from(response.body));
     },
   });