diff --git a/backend/windmill-api/src/jobs.rs b/backend/windmill-api/src/jobs.rs
index c7ba8cb2c9..005c498a40 100644
--- a/backend/windmill-api/src/jobs.rs
+++ b/backend/windmill-api/src/jobs.rs
@@ -7371,6 +7371,7 @@ async fn get_job_update_sse(
 
     Ok(Response::builder()
         .status(200)
+        .header("X-Accel-Buffering", "no")
         .header("Content-Type", "text/event-stream")
         .header("Cache-Control", "no-cache")
         .header("Connection", "keep-alive")