diff --git a/sbotc.c b/sbotc.c
index 8972a38..4e88681 100644
--- a/sbotc.c
+++ b/sbotc.c
@@ -73,11 +73,6 @@ enum pkt_flags {
 	pkt_flags_stream = 8,
 };
 
-struct pkt_header {
-	uint32_t len;
-	int32_t req;
-} __attribute__((packed));
-
 enum muxrpc_type {
 	muxrpc_type_async,
 	muxrpc_type_source,
@@ -689,9 +684,11 @@ static enum stream_state bs_write_in_1(struct boxs *bs, int fd) {
 static void ps_write(struct boxs *bs, const char *data, size_t len, enum pkt_type type, int req_id, bool stream, bool end) {
 	size_t out_len = 9 + len;
 	unsigned char out_buf[out_len];
-	struct pkt_header header = {htonl(len), htonl(req_id)};
+	uint32_t len_n = htonl(len);
+	int32_t req_n = htonl(req_id);
 	out_buf[0] = (stream << 3) | (end << 2) | (type & 3);
-	memcpy(out_buf+1, &header, 8);
+	memcpy(out_buf+1, &len_n, 4);
+	memcpy(out_buf+5, &req_n, 4);
 	memcpy(out_buf+9, data, len);
 	bs_write(bs, out_buf, out_len);
 }
@@ -704,11 +701,13 @@ static void ps_goodbye(struct boxs *bs) {
 
 static int ps_read_header(struct boxs *bs, size_t *len, int *req_id, enum pkt_flags *flags) {
 	char buf[9];
-	struct pkt_header header;
+	uint32_t len_n;
+	int32_t req_n;
 	if (bs_read(bs, buf, sizeof(buf)) < 0) return -1;
-	memcpy(&header, buf+1, 8);
-	if (len) *len = ntohl(header.len);
-	if (req_id) *req_id = ntohl(header.req);
+	memcpy(&len_n, buf+1, 4);
+	memcpy(&req_n, buf+5, 4);
+	if (len) *len = ntohl(len_n);
+	if (req_id) *req_id = ntohl(req_n);
 	if (flags) *flags = buf[0];
 	return 0;
 }