diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index e3e71d168c47..ea047bab65e7 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -1886,7 +1886,8 @@ static int afiucv_hs_callback_syn(struct sock *sk, struct sk_buff *skb)
 		afiucv_swap_src_dest(skb);
 		trans_hdr->flags = AF_IUCV_FLAG_SYN | AF_IUCV_FLAG_FIN;
 		err = dev_queue_xmit(skb);
-		iucv_sock_kill(nsk);
+		if (nsk)
+			iucv_sock_kill(nsk);
 		bh_unlock_sock(sk);
 		goto out;
 	}