diff --git a/server/src/index.ts b/server/src/index.ts
index 2874b45..aa8fa9a 100644
--- a/server/src/index.ts
+++ b/server/src/index.ts
@@ -66,7 +66,9 @@ const createTransport = async (req: express.Request) => {
     return transport;
   } else if (transportType === "sse") {
     const url = query.url as string;
-    const headers: HeadersInit = {};
+    const headers: HeadersInit = {
+      'Accept': 'text/event-stream',
+    };
     for (const key of SSE_HEADERS_PASSTHROUGH) {
       if (req.headers[key] === undefined) {
         continue;