From 9be4f194e036dddd4704a851fd15a9682d9e813d Mon Sep 17 00:00:00 2001
From: Andreas Kohn <andreas.kohn@framer.com>
Date: Fri, 7 Jun 2024 15:25:36 +0200
Subject: [PATCH] caddyhttp: Write header if needed in
 responseRecorder.WriteResponse (#6380)

---
 modules/caddyhttp/responsewriter.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/modules/caddyhttp/responsewriter.go b/modules/caddyhttp/responsewriter.go
index d51d37cb..808d2de3 100644
--- a/modules/caddyhttp/responsewriter.go
+++ b/modules/caddyhttp/responsewriter.go
@@ -219,13 +219,13 @@ func (rr *responseRecorder) Buffered() bool {
 }
 
 func (rr *responseRecorder) WriteResponse() error {
-	if rr.stream {
-		return nil
-	}
 	if rr.statusCode == 0 {
 		// could happen if no handlers actually wrote anything,
 		// and this prevents a panic; status must be > 0
-		rr.statusCode = http.StatusOK
+		rr.WriteHeader(http.StatusOK)
+	}
+	if rr.stream {
+		return nil
 	}
 	rr.ResponseWriterWrapper.WriteHeader(rr.statusCode)
 	_, err := io.Copy(rr.ResponseWriterWrapper, rr.buf)