diff --git a/net/rds/recv.c b/net/rds/recv.c
index 6204e577a90a..93ee4546ae36 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -379,7 +379,8 @@ void rds_recv_incoming(struct rds_connection *conn, struct in6_addr *saddr,
 		rds_stats_inc(s_recv_ping);
 		rds_send_pong(cp, inc->i_hdr.h_sport);
 		/* if this is a handshake ping, start multipath if necessary */
-		if (RDS_HS_PROBE(be16_to_cpu(inc->i_hdr.h_sport),
+		if (conn->c_trans->t_mp_capable &&
+		    RDS_HS_PROBE(be16_to_cpu(inc->i_hdr.h_sport),
 				 be16_to_cpu(inc->i_hdr.h_dport))) {
 			rds_recv_hs_exthdrs(&inc->i_hdr, cp->cp_conn);
 			rds_start_mprds(cp->cp_conn);
@@ -387,7 +388,8 @@ void rds_recv_incoming(struct rds_connection *conn, struct in6_addr *saddr,
 		goto out;
 	}
 
-	if (be16_to_cpu(inc->i_hdr.h_dport) ==  RDS_FLAG_PROBE_PORT &&
+	if (conn->c_trans->t_mp_capable &&
+	    be16_to_cpu(inc->i_hdr.h_dport) ==  RDS_FLAG_PROBE_PORT &&
 	    inc->i_hdr.h_sport == 0) {
 		rds_recv_hs_exthdrs(&inc->i_hdr, cp->cp_conn);
 		/* if this is a handshake pong, start multipath if necessary */