diff --git a/control_planes.tf b/control_planes.tf
index 99f1c2d4..efcc38dc 100644
--- a/control_planes.tf
+++ b/control_planes.tf
@@ -58,6 +58,7 @@ resource "hcloud_load_balancer_network" "control_plane" {
   load_balancer_id        = hcloud_load_balancer.control_plane.*.id[0]
   subnet_id               = hcloud_network_subnet.control_plane.*.id[0]
   enable_public_interface = var.control_plane_lb_enable_public_interface
+  ip                      = cidrhost(hcloud_network_subnet.control_plane.*.ip_range[0], 1)
 }
 
 resource "hcloud_load_balancer_target" "control_plane" {