diff --git a/contrib/wireguard-tools/ipc-freebsd.h b/contrib/wireguard-tools/ipc-freebsd.h
--- a/contrib/wireguard-tools/ipc-freebsd.h
+++ b/contrib/wireguard-tools/ipc-freebsd.h
@@ -307,11 +307,8 @@
 			nvl_aips[j] = nvlist_create(0);
 			if (!nvl_aips[j])
 				goto err_peer;
-			if (aip->flags) {
-				//TODO: implement me
-				ret = -EOPNOTSUPP;
-				goto err_peer;
-			}
+			if (aip->flags)
+				nvlist_add_number(nvl_aips[j], "flags", aip->flags);
 			nvlist_add_number(nvl_aips[j], "cidr", aip->cidr);
 			if (aip->family == AF_INET)
 				nvlist_add_binary(nvl_aips[j], "ipv4", &aip->ip4, sizeof(aip->ip4));