diff --git a/cluster/kube/lib/calico.libsonnet b/cluster/kube/lib/calico.libsonnet
index b5c83a7..1e2d503 100644
--- a/cluster/kube/lib/calico.libsonnet
+++ b/cluster/kube/lib/calico.libsonnet
@@ -230,6 +230,17 @@
             },
         },
 
+        # ConfigMap that holds overriden bird.cfg.template and bird_ipam.cfg.template.
+        calicoMetallbBird: kube.ConfigMap("calico-metallb-bird") {
+            metadata+: {
+                namespace: cfg.namespace,
+            },
+            data: {
+                "bird.cfg.template": (importstr "calico-bird.cfg.template"),
+                "bird_ipam.cfg.template": (importstr "calico-bird-ipam.cfg.template"),
+            },
+        },
+
         nodeDaemon: kube.DaemonSet("calico-node") {
             metadata+: {
                 namespace: cfg.namespace,
@@ -258,6 +269,7 @@
                             xtables_lock: kube.HostPathVolume("/run/xtables.lock"),
                             var_run_calico: kube.HostPathVolume("/var/run/calico"),
                             var_lib_calico: kube.HostPathVolume("/var/lib/calico"),
+                            bird_cfg_template: kube.ConfigMapVolume(env.calicoMetallbBird),
                         },
                         initContainers_: {
                             installCNI: kube.Container("install-cni") {
@@ -335,6 +347,16 @@
                                     var_lib_calico: { mountPath: "/var/lib/calico" },
                                     secrets: { mountPath: env.cm.secretPrefix },
                                 },
+                                volumeMounts+: [
+                                    { name: "bird-cfg-template",
+                                      mountPath: "/etc/calico/confd/templates/bird.cfg.template",
+                                      subPath: "bird.cfg.template"
+                                    },
+                                    { name: "bird-cfg-template",
+                                      mountPath: "/etc/calico/confd/templates/bird_ipam.cfg.template",
+                                      subPath: "bird_ipam.cfg.template"
+                                    },
+                                ],
                             },
                         },
                     },