diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c
--- a/sys/net/if_ethersubr.c
+++ b/sys/net/if_ethersubr.c
@@ -695,7 +695,7 @@
 		 * seen by upper protocol layers.
 		 */
 		if (!ETHER_IS_MULTICAST(eh->ether_dhost) &&
-		    bcmp(IF_LLADDR(ifp), eh->ether_dhost, ETHER_ADDR_LEN) != 0)
+		    memcmp(IF_LLADDR(ifp), eh->ether_dhost, ETHER_ADDR_LEN) != 0)
 			m->m_flags |= M_PROMISC;
 	}