diff --git a/bootstrap/api/v1beta2/kthreesconfig_webhook.go b/bootstrap/api/v1beta2/kthreesconfig_webhook.go
index 4b1d2937..83d9f579 100644
--- a/bootstrap/api/v1beta2/kthreesconfig_webhook.go
+++ b/bootstrap/api/v1beta2/kthreesconfig_webhook.go
@@ -20,6 +20,7 @@ import (
 	"context"
 
 	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/utils/ptr"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
 )
@@ -56,5 +57,12 @@ func (c *KThreesConfig) ValidateDelete(_ context.Context, _ runtime.Object) (adm
 
 // Default will set default values for the KThreesConfig.
 func (c *KThreesConfig) Default(_ context.Context, _ runtime.Object) error {
+	if c.Spec.ServerConfig.DisableCloudController == nil {
+		c.Spec.ServerConfig.DisableCloudController = ptr.To(true)
+	}
+
+	if c.Spec.ServerConfig.CloudProviderName == nil {
+		c.Spec.ServerConfig.CloudProviderName = ptr.To("external")
+	}
 	return nil
 }