diff --git a/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c b/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c index 82d0cfa8e48ac75c85c3e83c571b92c8fa1326e4..cabd1f1b475c94e8c43c6d76deed9ed5bd94a15b 100644 --- a/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c +++ b/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c @@ -88,7 +88,8 @@ static ipv6_addr_t *_add_addr_to_entry(gnrc_ipv6_netif_t *entry, const ipv6_addr tmp_addr->flags = flags; #ifdef MODULE_GNRC_SIXLOWPAN_ND - if (entry->flags & GNRC_IPV6_NETIF_FLAGS_SIXLOWPAN) { + if (!ipv6_addr_is_multicast(&(tmp_addr->addr)) && + (entry->flags & GNRC_IPV6_NETIF_FLAGS_SIXLOWPAN)) { ipv6_addr_t *router = gnrc_ndp_internal_default_router(); if (router != NULL) { tmp_addr->flags |= GNRC_IPV6_NETIF_ADDR_FLAGS_TENTATIVE;