diff --git a/controlplane/kubeadm/api/v1beta1/kubeadm_control_plane_webhook.go b/controlplane/kubeadm/api/v1beta1/kubeadm_control_plane_webhook.go
index 89eed17763e1..862ffd568984 100644
--- a/controlplane/kubeadm/api/v1beta1/kubeadm_control_plane_webhook.go
+++ b/controlplane/kubeadm/api/v1beta1/kubeadm_control_plane_webhook.go
@@ -157,10 +157,12 @@ func (in *KubeadmControlPlane) ValidateUpdate(old runtime.Object) (admission.War
 		{spec, kubeadmConfigSpec, initConfiguration, nodeRegistration},
 		{spec, kubeadmConfigSpec, initConfiguration, nodeRegistration, "*"},
 		{spec, kubeadmConfigSpec, initConfiguration, patches, directory},
+		{spec, kubeadmConfigSpec, initConfiguration, patches},
 		{spec, kubeadmConfigSpec, initConfiguration, skipPhases},
 		{spec, kubeadmConfigSpec, joinConfiguration, nodeRegistration},
 		{spec, kubeadmConfigSpec, joinConfiguration, nodeRegistration, "*"},
 		{spec, kubeadmConfigSpec, joinConfiguration, patches, directory},
+		{spec, kubeadmConfigSpec, joinConfiguration, patches},
 		{spec, kubeadmConfigSpec, joinConfiguration, skipPhases},
 		{spec, kubeadmConfigSpec, preKubeadmCommands},
 		{spec, kubeadmConfigSpec, postKubeadmCommands},