diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e2d3b7580b76fa991140dd72ea130c28890a0f26..7b6a584b62ddbcbac75ba193fe04cfebc26357da 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1688,6 +1688,7 @@ addrconf_prefix_route(struct in6_addr *pfx, int plen, struct net_device *dev,
 		.fc_dst_len = plen,
 		.fc_flags = RTF_UP | flags,
 		.fc_nlinfo.nl_net = dev_net(dev),
+		.fc_protocol = RTPROT_KERNEL,
 	};
 
 	ipv6_addr_copy(&cfg.fc_dst, pfx);