diff --git a/sys/net/if_lagg.c b/sys/net/if_lagg.c
index 239631e1d95..422377b5706 100644
--- a/sys/net/if_lagg.c
+++ b/sys/net/if_lagg.c
@@ -615,7 +615,7 @@ lagg_port2req(struct lagg_port *lp, struct lagg_reqport *rp)
 	switch (sc->sc_proto) {
 		case LAGG_PROTO_FAILOVER:
 			if (lp == sc->sc_primary)
-				lp->lp_flags |= LAGG_PORT_MASTER;
+				rp->rp_flags |= LAGG_PORT_MASTER;
 			/* FALLTHROUGH */
 		case LAGG_PROTO_ROUNDROBIN:
 		case LAGG_PROTO_LOADBALANCE: