diff --git a/test/udp_heartbeat.c b/test/udp_heartbeat.c
index 4eb3847..f964bca 100644
--- a/test/udp_heartbeat.c
+++ b/test/udp_heartbeat.c
@@ -102,6 +102,7 @@ void peer_add_addr(struct HBContext *ctx, const struct sockaddr_in *addr)
 
     peer->timer.callback = peer_timer_cb;
     peer->timer.cookie_ptr = ctx;
+    peer->state = PeerUnknown;
 
     sec = rand() % PEER_HB_SEC;
     usec = rand() % 1000000;