diff --git a/sys/net/destiny/socket.c b/sys/net/destiny/socket.c
index 6d99fa6aba..7c810e1e78 100644
--- a/sys/net/destiny/socket.c
+++ b/sys/net/destiny/socket.c
@@ -1010,7 +1010,7 @@ int32_t destiny_socket_sendto(int s, const void *buf, uint32_t len, int flags,
         current_udp_packet->checksum = 0;
 
         memcpy(payload, buf, len);
-        current_udp_packet->length = UDP_HDR_LEN + len;
+        current_udp_packet->length = HTONS(UDP_HDR_LEN + len);
         temp_ipv6_header->length = UDP_HDR_LEN + len;
 
         current_udp_packet->checksum = ~udp_csum(temp_ipv6_header,
@@ -1018,7 +1018,7 @@ int32_t destiny_socket_sendto(int s, const void *buf, uint32_t len, int flags,
 
         ipv6_sendto(&to->sin6_addr, IPPROTO_UDP,
                     (uint8_t *)(current_udp_packet),
-                    current_udp_packet->length);
+                    NTOHS(current_udp_packet->length));
         return current_udp_packet->length;
     }
     else {
diff --git a/sys/net/ieee802154/ieee802154_frame.c b/sys/net/ieee802154/ieee802154_frame.c
index 7d72ed3c8d..5e4b3500d4 100644
--- a/sys/net/ieee802154/ieee802154_frame.c
+++ b/sys/net/ieee802154/ieee802154_frame.c
@@ -27,12 +27,7 @@ uint8_t ieee802154_frame_init(ieee802154_frame_t *frame, uint8_t *buf)
 {
     /* Frame Control Field - 802.15.4 - 2006 - 7.2.1.1  */
     uint8_t index = 0;
-    
-    buf[index] = ((frame->fcf.dest_addr_m << 2) |
-                 (frame->fcf.frame_ver << 4) |
-                 (frame->fcf.src_addr_m << 6));
 
-    index++;
     buf[index] = ((frame->fcf.frame_type) |
                  (frame->fcf.sec_enb << 3) |
                  (frame->fcf.frame_pend << 4) |
@@ -40,14 +35,20 @@ uint8_t ieee802154_frame_init(ieee802154_frame_t *frame, uint8_t *buf)
                  (frame->fcf.panid_comp << 6));
     index++;
 
+    buf[index] = ((frame->fcf.dest_addr_m << 2) |
+                 (frame->fcf.frame_ver << 4) |
+                 (frame->fcf.src_addr_m << 6));
+
+    index++;
+
     /* Sequence Number - 802.15.4 - 2006 - 7.2.1.2 */
     buf[index] = frame->seq_nr;
     index++;
 
     /* Destination PAN Identifier - 802.15.4 - 2006 - 7.2.1.3 */
     if (frame->fcf.dest_addr_m == 0x02 || frame->fcf.dest_addr_m == 0x03) {
-        buf[index] = ((frame->dest_pan_id >> 8) & 0xff);
-        buf[index + 1] = (frame->dest_pan_id & 0xff);
+        buf[index + 1] = ((frame->dest_pan_id >> 8) & 0xff);
+        buf[index] = (frame->dest_pan_id & 0xff);
     }
 
     index += 2;
diff --git a/sys/net/sixlowpan/lowpan.c b/sys/net/sixlowpan/lowpan.c
index 3d5b0a7891..13aa962dae 100644
--- a/sys/net/sixlowpan/lowpan.c
+++ b/sys/net/sixlowpan/lowpan.c
@@ -174,6 +174,7 @@ void sixlowpan_lowpan_sendto(const ieee_802154_long_t *dest,
         packet_length = comp_len;
     }
     else {
+        ipv6_buf->length = HTONS(ipv6_buf->length);
         lowpan_ipv6_set_dispatch(data);
     }