diff --git a/pkg/apis/eventing/register.go b/pkg/apis/eventing/register.go
index 7aa995c784c..ead3498bd28 100644
--- a/pkg/apis/eventing/register.go
+++ b/pkg/apis/eventing/register.go
@@ -55,6 +55,10 @@ const (
 	// EventTypesAnnotationKey is the annotation key to specify
 	// if a Source has event types defines in its CRD.
 	EventTypesAnnotationKey = "registry.knative.dev/eventTypes"
+
+	// BrokerChannelAddressStatusAnnotationKey is the broker status
+	// annotation key used to specify the address of its channel.
+	BrokerChannelAddressStatusAnnotationKey = "knative.dev/channelAddress"
 )
 
 var (
diff --git a/pkg/apis/eventing/v1beta1/broker_conversion_test.go b/pkg/apis/eventing/v1beta1/broker_conversion_test.go
index 9837b44a946..90bc6928fe2 100644
--- a/pkg/apis/eventing/v1beta1/broker_conversion_test.go
+++ b/pkg/apis/eventing/v1beta1/broker_conversion_test.go
@@ -25,6 +25,7 @@ import (
 	"k8s.io/utils/pointer"
 	eventingduckv1 "knative.dev/eventing/pkg/apis/duck/v1"
 	eventingduckv1beta1 "knative.dev/eventing/pkg/apis/duck/v1beta1"
+	"knative.dev/eventing/pkg/apis/eventing"
 	v1 "knative.dev/eventing/pkg/apis/eventing/v1"
 	"knative.dev/pkg/apis"
 	duckv1 "knative.dev/pkg/apis/duck/v1"
@@ -112,7 +113,7 @@ func TestBrokerConversionRoundTripV1beta1(t *testing.T) {
 						Status: "True",
 					}},
 					Annotations: map[string]string{
-						"channelAddress": "http://foo.bar.svc.cluster.local/",
+						eventing.BrokerChannelAddressStatusAnnotationKey: "http://foo.bar.svc.cluster.local/",
 					},
 				},
 				Address: duckv1.Addressable{
@@ -200,7 +201,7 @@ func TestBrokerConversionRoundTripV1(t *testing.T) {
 						Status: "True",
 					}},
 					Annotations: map[string]string{
-						"channelAddress": "http://foo.bar.svc.cluster.local/",
+						eventing.BrokerChannelAddressStatusAnnotationKey: "http://foo.bar.svc.cluster.local/",
 					},
 				},
 				Address: duckv1.Addressable{
diff --git a/pkg/mtbroker/ingress/ingress_handler.go b/pkg/mtbroker/ingress/ingress_handler.go
index c2246906f78..7fb0d73d4df 100644
--- a/pkg/mtbroker/ingress/ingress_handler.go
+++ b/pkg/mtbroker/ingress/ingress_handler.go
@@ -32,6 +32,7 @@ import (
 	"go.uber.org/zap"
 	"k8s.io/apimachinery/pkg/types"
 
+	"knative.dev/eventing/pkg/apis/eventing"
 	eventingv1 "knative.dev/eventing/pkg/apis/eventing/v1"
 	eventinglisters "knative.dev/eventing/pkg/client/listers/eventing/v1"
 	"knative.dev/eventing/pkg/health"
@@ -87,7 +88,7 @@ func (h *Handler) getChannelAddress(name, namespace string) (string, error) {
 	if broker.Status.Annotations == nil {
 		return "", fmt.Errorf("Broker status annotations uninitialized")
 	}
-	address, present := broker.Status.Annotations["channelAddress"]
+	address, present := broker.Status.Annotations[eventing.BrokerChannelAddressStatusAnnotationKey]
 	if !present {
 		return "", fmt.Errorf("Channel address not found in broker status annotations")
 	}
diff --git a/pkg/mtbroker/ingress/ingress_handler_test.go b/pkg/mtbroker/ingress/ingress_handler_test.go
index 8f72c7547da..0ba7899e018 100644
--- a/pkg/mtbroker/ingress/ingress_handler_test.go
+++ b/pkg/mtbroker/ingress/ingress_handler_test.go
@@ -33,6 +33,7 @@ import (
 	"go.uber.org/zap"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
+	"knative.dev/eventing/pkg/apis/eventing"
 	eventingv1 "knative.dev/eventing/pkg/apis/eventing/v1"
 	broker "knative.dev/eventing/pkg/mtbroker"
 	reconcilertestingv1 "knative.dev/eventing/pkg/reconciler/testing/v1"
@@ -208,7 +209,7 @@ func TestHandler_ServeHTTP(t *testing.T) {
 				if b.Status.Annotations == nil {
 					b.Status.Annotations = make(map[string]string, 1)
 				}
-				b.Status.Annotations["channelAddress"] = s.URL
+				b.Status.Annotations[eventing.BrokerChannelAddressStatusAnnotationKey] = s.URL
 				annotatedBrokers = append(annotatedBrokers, b)
 			}
 			listers := reconcilertestingv1.NewListers(annotatedBrokers)
diff --git a/pkg/reconciler/mtbroker/broker.go b/pkg/reconciler/mtbroker/broker.go
index dc633ae0eaf..4d356a55a72 100644
--- a/pkg/reconciler/mtbroker/broker.go
+++ b/pkg/reconciler/mtbroker/broker.go
@@ -165,7 +165,7 @@ func (r *Reconciler) reconcileKind(ctx context.Context, b *eventingv1.Broker) (*
 	if b.Status.Annotations == nil {
 		b.Status.Annotations = make(map[string]string, 1)
 	}
-	b.Status.Annotations["channelAddress"] = triggerChan.Status.Address.URL.String()
+	b.Status.Annotations[eventing.BrokerChannelAddressStatusAnnotationKey] = triggerChan.Status.Address.URL.String()
 
 	channelStatus := &duckv1.ChannelableStatus{AddressStatus: pkgduckv1.AddressStatus{Address: &pkgduckv1.Addressable{URL: triggerChan.Status.Address.URL}}}
 	b.Status.PropagateTriggerChannelReadiness(channelStatus)
diff --git a/pkg/reconciler/testing/v1/broker.go b/pkg/reconciler/testing/v1/broker.go
index 46fa1412301..e9ee8bf287d 100644
--- a/pkg/reconciler/testing/v1/broker.go
+++ b/pkg/reconciler/testing/v1/broker.go
@@ -19,6 +19,7 @@ import (
 
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"knative.dev/eventing/pkg/apis/eventing"
 	v1 "knative.dev/eventing/pkg/apis/eventing/v1"
 	"knative.dev/eventing/pkg/client/injection/reconciler/eventing/v1/broker"
 	"knative.dev/pkg/apis"
@@ -180,6 +181,6 @@ func WithChannelAddressAnnotation(address string) BrokerOption {
 		if b.Status.Annotations == nil {
 			b.Status.Annotations = make(map[string]string, 1)
 		}
-		b.Status.Annotations["channelAddress"] = address
+		b.Status.Annotations[eventing.BrokerChannelAddressStatusAnnotationKey] = address
 	}
 }