diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index 43b95ca..9f53904 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -918,9 +918,11 @@
 	}
 
 	/* UDP data uncompression */
-	if (iphc0 & LOWPAN_IPHC_NH_C)
+	if (iphc0 & LOWPAN_IPHC_NH_C) {
 		if (lowpan_uncompress_udp_header(skb))
 			goto drop;
+		hdr.nexthdr = UIP_PROTO_UDP;
+	}
 
 	/* Not fragmented package */
 	hdr.payload_len = htons(skb->len);