diff --git a/pkg/apis/autoscaling/v2beta2/doc.go b/pkg/apis/autoscaling/v2beta2/doc.go
index a6be8b596e7..7228e86c609 100644
--- a/pkg/apis/autoscaling/v2beta2/doc.go
+++ b/pkg/apis/autoscaling/v2beta2/doc.go
@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 // +k8s:conversion-gen=k8s.io/kubernetes/pkg/apis/autoscaling
+// +k8s:conversion-gen-external-types=k8s.io/api/autoscaling/v2beta2
 // +k8s:defaulter-gen=TypeMeta
 
 package v2beta2 // import "k8s.io/kubernetes/pkg/apis/autoscaling/v2beta2"