diff --git a/pkg/apis/kubeone/scheme/scheme.go b/pkg/apis/kubeone/scheme/scheme.go
index 06aac2693..a947f75ff 100644
--- a/pkg/apis/kubeone/scheme/scheme.go
+++ b/pkg/apis/kubeone/scheme/scheme.go
@@ -31,7 +31,7 @@ import (
 var Scheme = runtime.NewScheme()
 
 // Codecs is a CodecFactory object used to provide encoding and decoding for the scheme
-var Codecs = serializer.NewCodecFactory(Scheme)
+var Codecs = serializer.NewCodecFactory(Scheme, serializer.EnableStrict)
 
 func init() {
 	metav1.AddToGroupVersion(Scheme, schema.GroupVersion{Version: "v1"})