diff --git a/staging/src/k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1/doc.go b/staging/src/k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1/doc.go
index 187178137f9..4560cfa1d10 100644
--- a/staging/src/k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1/doc.go
+++ b/staging/src/k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1/doc.go
@@ -16,6 +16,7 @@ limitations under the License.
 
 // +k8s:deepcopy-gen=package,register
 // +k8s:conversion-gen=k8s.io/kubernetes/vendor/k8s.io/kube-aggregator/pkg/apis/apiregistration
+// +k8s:openapi-gen=true
 
 // Package v1beta1 contains the API Registration API, which is responsible for
 // registering an API `Group`/`Version` with another kubernetes like API server.
diff --git a/staging/src/k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1/types.go b/staging/src/k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1/types.go
index 6dc64dfb476..80f2520885e 100644
--- a/staging/src/k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1/types.go
+++ b/staging/src/k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1/types.go
@@ -104,6 +104,8 @@ type APIServiceCondition struct {
 type APIServiceStatus struct {
 	// Current service state of apiService.
 	// +optional
+	// +patchMergeKey=type
+	// +patchStrategy=merge
 	Conditions []APIServiceCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,1,rep,name=conditions"`
 }