diff --git a/examples/ignition/bootkube-master.yaml b/examples/ignition/bootkube-master.yaml
index a8b56868..6775964e 100644
--- a/examples/ignition/bootkube-master.yaml
+++ b/examples/ignition/bootkube-master.yaml
@@ -14,6 +14,7 @@ systemd:
             Environment="ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379"
             Environment="ETCD_LISTEN_PEER_URLS=http://{{.ipv4_address}}:2380"
             Environment="ETCD_INITIAL_CLUSTER={{.etcd_initial_cluster}}"
+            Environment="ETCD_STRICT_RECONFIG_CHECK=true"
     - name: flanneld.service
       enable: true
       dropins:
diff --git a/examples/ignition/bootkube-worker.yaml b/examples/ignition/bootkube-worker.yaml
index 07986f8a..8dcc3a24 100644
--- a/examples/ignition/bootkube-worker.yaml
+++ b/examples/ignition/bootkube-worker.yaml
@@ -14,6 +14,7 @@ systemd:
             Environment="ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379"
             Environment="ETCD_LISTEN_PEER_URLS=http://{{.ipv4_address}}:2380"
             Environment="ETCD_INITIAL_CLUSTER={{.etcd_initial_cluster}}"
+            Environment="ETCD_STRICT_RECONFIG_CHECK=true"
     - name: flanneld.service
       enable: true
     - name: fleet.service
diff --git a/examples/ignition/etcd.yaml b/examples/ignition/etcd.yaml
index 8bd54325..73d5141b 100644
--- a/examples/ignition/etcd.yaml
+++ b/examples/ignition/etcd.yaml
@@ -14,6 +14,7 @@ systemd:
             Environment="ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379"
             Environment="ETCD_LISTEN_PEER_URLS=http://{{.ipv4_address}}:2380"
             Environment="ETCD_INITIAL_CLUSTER={{.etcd_initial_cluster}}"
+            Environment="ETCD_STRICT_RECONFIG_CHECK=true"
     - name: fleet.service
       enable: true
       dropins:
diff --git a/examples/ignition/k8s-master.yaml b/examples/ignition/k8s-master.yaml
index 272ad708..caa58496 100644
--- a/examples/ignition/k8s-master.yaml
+++ b/examples/ignition/k8s-master.yaml
@@ -14,6 +14,7 @@ systemd:
             Environment="ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379"
             Environment="ETCD_LISTEN_PEER_URLS=http://{{.ipv4_address}}:2380"
             Environment="ETCD_INITIAL_CLUSTER={{.etcd_initial_cluster}}"
+            Environment="ETCD_STRICT_RECONFIG_CHECK=true"
     - name: fleet.service
       enable: true
       dropins:
diff --git a/examples/ignition/k8s-worker.yaml b/examples/ignition/k8s-worker.yaml
index efe484a7..5aff297a 100644
--- a/examples/ignition/k8s-worker.yaml
+++ b/examples/ignition/k8s-worker.yaml
@@ -14,6 +14,7 @@ systemd:
             Environment="ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379"
             Environment="ETCD_LISTEN_PEER_URLS=http://{{.ipv4_address}}:2380"
             Environment="ETCD_INITIAL_CLUSTER={{.etcd_initial_cluster}}"
+            Environment="ETCD_STRICT_RECONFIG_CHECK=true"
     - name: fleet.service
       enable: true
       dropins: