diff --git a/src/proxy/middleware/response/handle-streamed-response.ts b/src/proxy/middleware/response/handle-streamed-response.ts
index 290b5d9..a9431ca 100644
--- a/src/proxy/middleware/response/handle-streamed-response.ts
+++ b/src/proxy/middleware/response/handle-streamed-response.ts
@@ -48,6 +48,7 @@ export const handleStreamedResponse: RawResponseBodyHandler = async (
       res.setHeader("Content-Type", "text/event-stream");
       res.setHeader("Cache-Control", "no-cache");
       res.setHeader("Connection", "keep-alive");
+      res.setHeader("X-Accel-Buffering", "no");
       copyHeaders(proxyRes, res);
       res.flushHeaders();
     }
diff --git a/src/proxy/queue.ts b/src/proxy/queue.ts
index 86104c0..6bd288f 100644
--- a/src/proxy/queue.ts
+++ b/src/proxy/queue.ts
@@ -299,6 +299,7 @@ function initStreaming(req: Request) {
   res.setHeader("Content-Type", "text/event-stream");
   res.setHeader("Cache-Control", "no-cache");
   res.setHeader("Connection", "keep-alive");
+  res.setHeader("X-Accel-Buffering", "no"); // nginx-specific fix
   res.flushHeaders();
   res.write("\n");
   res.write(": joining queue\n\n");