diff --git a/src/peers.c b/src/peers.c
index 182d71d23..42018e13f 100644
--- a/src/peers.c
+++ b/src/peers.c
@@ -1204,6 +1204,7 @@ static struct session *peer_session_create(struct peer *peer, struct peer_sessio
 	s->srv_error = default_srv_error;
 
 	s->uniq_id = 0;
+	s->unique_id = NULL;
 
 	txn = &s->txn;
 	/* Those variables will be checked and freed if non-NULL in
diff --git a/src/session.c b/src/session.c
index 862af5853..cd02da24d 100644
--- a/src/session.c
+++ b/src/session.c
@@ -97,6 +97,7 @@ int session_accept(struct listener *l, int cfd, struct sockaddr_storage *addr)
 	LIST_ADDQ(&sessions, &s->list);
 	LIST_INIT(&s->back_refs);
 
+	s->unique_id = NULL;
 	s->term_trace = 0;
 	s->si[0].addr.from = *addr;
 	s->logs.accept_date = date; /* user-visible date for logging */