diff --git a/src/http_ana.c b/src/http_ana.c
index e0fe67e..d475cd2 100644
--- a/src/http_ana.c
+++ b/src/http_ana.c
@@ -4557,8 +4557,9 @@
 /* Forward a response generated by HAProxy (error/redirect/return). This
  * function forwards all pending incoming data. If <final> is set to 0, nothing
  * more is performed. It is used for 1xx informational messages. Otherwise, the
- * transaction is terminated and the request is emptied. On success 1 is
- * returned. If an error occurred, 0 is returned.
+ * transaction is terminated and the request is emptied. if <final> is greater
+ * than 1, it means after-response ruleset must not be evaluated. On success 1
+ * is returned. If an error occurred, 0 is returned.
  */
 int http_forward_proxy_resp(struct stream *s, int final)
 {
@@ -4569,7 +4570,7 @@
 
 	if (final) {
 		htx->flags |= HTX_FL_PROXY_RESP;
-		if (!http_eval_after_res_rules(s))
+		if (final == 1 && !http_eval_after_res_rules(s))
 			return 0;
 
 		channel_auto_read(req);
@@ -4602,6 +4603,9 @@
 
 void http_reply_and_close(struct stream *s, short status, const struct buffer *msg)
 {
+	int final = 1;
+
+  retry:
 	channel_auto_read(&s->req);
 	channel_abort(&s->req);
 	channel_auto_close(&s->req);
@@ -4623,9 +4627,16 @@
 		FLT_STRM_CB(s, flt_http_reply(s, s->txn->status, msg));
 		htx = htx_from_buf(&chn->buf);
 		if (channel_htx_copy_msg(chn, htx, msg)) {
-			if (!http_forward_proxy_resp(s, 1) && s->txn->status != 500) {
+			if (!http_forward_proxy_resp(s, final)) {
+				/* On error, return a 500 error message, but
+				 * don't rewrite it if it is already an internal
+				 * error.
+				 */
+				if (s->txn->status == 500)
+					final++;
 				s->txn->status = 500;
-				http_reply_and_close(s, s->txn->status, http_error_message(s));
+				msg = http_error_message(s);
+				goto retry;
 			}
 		}
 	}