diff --git a/sys/netinet/ip_carp.c b/sys/netinet/ip_carp.c
--- a/sys/netinet/ip_carp.c
+++ b/sys/netinet/ip_carp.c
@@ -2159,6 +2159,7 @@
 #endif
 		carp_set_state(sc, INIT, "hardware interface down");
 		carp_setrun(sc, 0);
+		carp_delroute(sc);
 		if (!sc->sc_suppress)
 			carp_demote_adj(V_carp_ifdown_adj, "interface down");
 		sc->sc_suppress = 1;