diff --git a/netsock.c b/netsock.c
index 86db8a6..9b137f1 100644
--- a/netsock.c
+++ b/netsock.c
@@ -25,6 +25,7 @@
 #include <net/ethernet.h>
 #include <net/if.h>
 #include <netinet/in.h>
+#include <ifaddrs.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/ioctl.h>
@@ -210,6 +211,30 @@ out:
 	return ret;
 }
 
+static int get_link_local_addr(uint32_t scope_id, struct in6_addr *addr)
+{
+	struct ifaddrs *ifaddr, *ifa;
+
+	if (getifaddrs(&ifaddr) == -1) {
+		perror("getifaddrs");
+		return -1;
+	}
+	for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
+		if (ifa->ifa_addr == NULL)
+			continue;
+		if (ifa->ifa_addr->sa_family != AF_INET6)
+			continue;
+
+		struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) ifa->ifa_addr;
+		if (sin6->sin6_scope_id == scope_id) {
+			memcpy(addr, &sin6->sin6_addr ,sizeof(struct in6_addr));
+			break;
+		}
+	}
+	freeifaddrs(ifaddr);
+	return 0;
+}
+
 static int netsock_open(struct interface *interface)
 {
 	int sock;
@@ -256,7 +281,10 @@ static int netsock_open(struct interface *interface)
 	memset(&sin6, 0, sizeof(sin6));
 	sin6.sin6_port = htons(ALFRED_PORT);
 	sin6.sin6_family = AF_INET6;
-	memcpy(&sin6.sin6_addr, &interface->address, sizeof(sin6.sin6_addr));
+	if (get_link_local_addr(interface->scope_id, &sin6.sin6_addr) < 0) {
+		perror("cannot get link local address");
+		goto err;
+	}
 	sin6.sin6_scope_id = interface->scope_id;
 
 	memset(&sin6_mc, 0, sizeof(sin6_mc));