1 files changed, 2 insertions, 5 deletions
diff --git a/pasta.c b/pasta.c
index ae695e2..db86317 100644
--- a/pasta.c
+++ b/pasta.c
@@ -249,19 +249,16 @@ void pasta_ns_conf(struct ctx *c)
 	nl_link(1, 1 /* lo */, MAC_ZERO, 1, 0);
 
 	if (c->pasta_conf_ns) {
-		int prefix_len;
-
 		nl_link(1, c->pasta_ifi, c->mac_guest, 1, c->mtu);
 
 		if (c->ifi4) {
-			prefix_len = __builtin_popcount(c->ip4.mask);
 			nl_addr(1, c->pasta_ifi, AF_INET, &c->ip4.addr,
-				&prefix_len, NULL);
+				&c->ip4.prefix_len, NULL);
 			nl_route(1, c->pasta_ifi, AF_INET, &c->ip4.gw);
 		}
 
 		if (c->ifi6) {
-			prefix_len = 64;
+			int prefix_len = 64;
 			nl_addr(1, c->pasta_ifi, AF_INET6, &c->ip6.addr,
 				&prefix_len, NULL);
 			nl_route(1, c->pasta_ifi, AF_INET6, &c->ip6.gw);