diff --git a/pkg/apis/apps/register.go b/pkg/apis/apps/register.go
index 4187b5781d7..9864ffabc04 100644
--- a/pkg/apis/apps/register.go
+++ b/pkg/apis/apps/register.go
@@ -50,6 +50,7 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 		&PetSet{},
 		&PetSetList{},
 		&api.ListOptions{},
+		&api.DeleteOptions{},
 	)
 	return nil
 }