diff --git a/src/lb_fwlc.c b/src/lb_fwlc.c
index 882dd7d43..78a38a434 100644
--- a/src/lb_fwlc.c
+++ b/src/lb_fwlc.c
@@ -298,7 +298,7 @@ struct server *fwlc_get_next_server(struct proxy *p, struct server *srvtoavoid)
 
 	srv = avoided = NULL;
 
-	HA_RWLOCK_WRLOCK(LBPRM_LOCK, &p->lbprm.lock);
+	HA_RWLOCK_RDLOCK(LBPRM_LOCK, &p->lbprm.lock);
 	if (p->srv_act)
 		node = eb32_first(&p->lbprm.fwlc.act);
 	else if (p->lbprm.fbck) {
@@ -334,7 +334,7 @@ struct server *fwlc_get_next_server(struct proxy *p, struct server *srvtoavoid)
 	if (!srv)
 		srv = avoided;
  out:
-	HA_RWLOCK_WRUNLOCK(LBPRM_LOCK, &p->lbprm.lock);
+	HA_RWLOCK_RDUNLOCK(LBPRM_LOCK, &p->lbprm.lock);
 	return srv;
 }