diff --git a/src/lb_fas.c b/src/lb_fas.c
index 7bd3d05..6027dac 100644
--- a/src/lb_fas.c
+++ b/src/lb_fas.c
@@ -87,7 +87,7 @@
 		/* server was already down */
 		goto out_update_backend;
 
-	if (srv->state & SRV_BACKUP) {
+	if (srv->flags & SRV_F_BACKUP) {
 		p->lbprm.tot_wbck -= srv->prev_eweight;
 		p->srv_bck--;
 
@@ -99,7 +99,7 @@
 			do {
 				srv2 = srv2->next;
 			} while (srv2 &&
-				 !((srv2->state & SRV_BACKUP) &&
+				 !((srv2->flags & SRV_F_BACKUP) &&
 				   srv_is_usable(srv2)));
 			p->lbprm.fbck = srv2;
 		}
@@ -139,7 +139,7 @@
 		/* server was already up */
 		goto out_update_backend;
 
-	if (srv->state & SRV_BACKUP) {
+	if (srv->flags & SRV_F_BACKUP) {
 		srv->lb_tree = &p->lbprm.fas.bck;
 		p->lbprm.tot_wbck += srv->eweight;
 		p->srv_bck++;
@@ -214,7 +214,7 @@
 	if (srv->lb_tree)
 		fas_dequeue_srv(srv);
 
-	if (srv->state & SRV_BACKUP) {
+	if (srv->flags & SRV_F_BACKUP) {
 		p->lbprm.tot_wbck += srv->eweight - srv->prev_eweight;
 		srv->lb_tree = &p->lbprm.fas.bck;
 	} else {
@@ -259,7 +259,7 @@
 	for (srv = p->srv; srv; srv = srv->next) {
 		if (!srv_is_usable(srv))
 			continue;
-		srv->lb_tree = (srv->state & SRV_BACKUP) ? &p->lbprm.fas.bck : &p->lbprm.fas.act;
+		srv->lb_tree = (srv->flags & SRV_F_BACKUP) ? &p->lbprm.fas.bck : &p->lbprm.fas.act;
 		fas_queue_srv(srv);
 	}
 }