diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index b00aa959727d..082f981795f5 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -4250,7 +4250,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
 			goto out;
 		if (po->tp_version >= TPACKET_V3 &&
 		    req->tp_block_size <=
-			  BLK_PLUS_PRIV((u64)req_u->req3.tp_sizeof_priv))
+		    BLK_PLUS_PRIV((u64)req_u->req3.tp_sizeof_priv) + sizeof(struct tpacket3_hdr))
 			goto out;
 		if (unlikely(req->tp_frame_size < po->tp_hdrlen +
 					po->tp_reserve))