diff --git a/src/proto_http.c b/src/proto_http.c
index 8c5443392..ff0a66203 100644
--- a/src/proto_http.c
+++ b/src/proto_http.c
@@ -6414,6 +6414,11 @@ int http_response_forward_body(struct session *s, struct channel *res, int an_bi
 		objt_server(s->target)->counters.failed_resp++;
 
  return_bad_res_stats_ok:
+	if (unlikely(compressing)) {
+		http_compression_buffer_end(s, &res->buf, &tmpbuf, 0);
+		compressing = 0;
+	}
+
 	txn->rsp.msg_state = HTTP_MSG_ERROR;
 	/* don't send any error message as we're in the body */
 	stream_int_retnclose(res->cons, NULL);