diff --git a/lib/kobject.c b/lib/kobject.c
index d724a5dbcf9bd605aef15e85712a78a766e27204..031912c86a1d3a36be5d1acd757921b03d4cfd97 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -839,6 +839,11 @@ int kset_register(struct kset *k)
 	if (!k)
 		return -EINVAL;
 
+	if (!k->kobj.ktype) {
+		pr_err("must have a ktype to be initialized properly!\n");
+		return -EINVAL;
+	}
+
 	kset_init(k);
 	err = kobject_add_internal(&k->kobj);
 	if (err)