diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index f114dc2af5cf3a663d5a7e497961e402618c8425..5345e8eefd33c4bfa358a16dd8a4712bc8e13020 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -451,7 +451,7 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
 	 * directly into the target buffer.
 	 */
 	sg = _sg;
-	nsg = skb_shinfo(skb)->nr_frags;
+	nsg = skb_shinfo(skb)->nr_frags + 1;
 	if (nsg <= 4) {
 		nsg = 4;
 	} else {