diff --git a/vrrpd/vrrp.c b/vrrpd/vrrp.c
index 3f93ac441c..4ab6605918 100644
--- a/vrrpd/vrrp.c
+++ b/vrrpd/vrrp.c
@@ -97,9 +97,11 @@ static void vrrp_mac_set(struct ethaddr *mac, bool v6, uint8_t vrid)
  */
 static void vrrp_recalculate_timers(struct vrrp_router *r)
 {
+	uint16_t mdiadv = r->vr->version == 3 ? r->master_adver_interval
+					      : r->vr->advertisement_interval;
 	uint16_t skm = (r->vr->version == 3) ? r->master_adver_interval : 100;
 	r->skew_time = ((256 - r->vr->priority) * skm) / 256;
-	r->master_down_interval = (3 * r->master_adver_interval);
+	r->master_down_interval = 3 * mdiadv;
 	r->master_down_interval += r->skew_time;
 }