diff --git a/pkg/api/serialization_test.go b/pkg/api/serialization_test.go
index cc19b4d1d1c..6eed0666be9 100644
--- a/pkg/api/serialization_test.go
+++ b/pkg/api/serialization_test.go
@@ -32,6 +32,9 @@ import (
 	"k8s.io/kubernetes/pkg/runtime"
 	"k8s.io/kubernetes/pkg/util"
 
+	_ "k8s.io/kubernetes/pkg/expapi"
+	_ "k8s.io/kubernetes/pkg/expapi/v1"
+
 	flag "github.com/spf13/pflag"
 )
 
diff --git a/pkg/expapi/types.go b/pkg/expapi/types.go
index eb2fddfe191..77954f67697 100644
--- a/pkg/expapi/types.go
+++ b/pkg/expapi/types.go
@@ -98,12 +98,12 @@ type HorizontalPodAutoscalerSpec struct {
 // HorizontalPodAutoscalerStatus contains the current status of a horizontal pod autoscaler
 type HorizontalPodAutoscalerStatus struct {
 	// CurrentReplicas is the number of replicas of pods managed by this autoscaler.
-	CurrentReplicas int `json:"replicas"`
+	CurrentReplicas int `json:"currentReplicas"`
 
 	// DesiredReplicas is the desired number of replicas of pods managed by this autoscaler.
 	// The number may be different because pod downscaling is someteimes delayed to keep the number
 	// of pods stable.
-	DesiredReplicas int `json:"replicas"`
+	DesiredReplicas int `json:"desiredReplicas"`
 
 	// CurrentConsumption is the current average consumption of the given resource that the autoscaler will
 	// try to maintain by adjusting the desired number of pods.
diff --git a/pkg/expapi/v1/types.go b/pkg/expapi/v1/types.go
index 512f55e4c98..abfec1b2ced 100644
--- a/pkg/expapi/v1/types.go
+++ b/pkg/expapi/v1/types.go
@@ -86,10 +86,10 @@ type HorizontalPodAutoscalerSpec struct {
 // HorizontalPodAutoscalerStatus contains the current status of a horizontal pod autoscaler
 type HorizontalPodAutoscalerStatus struct {
 	// CurrentReplicas is the number of replicas of pods managed by this autoscaler.
-	CurrentReplicas int `json:"replicas" description:"number of replicas observed by the autoscaler"`
+	CurrentReplicas int `json:"currentReplicas" description:"number of replicas observed by the autoscaler"`
 
 	// DesiredReplicas is the desired number of replicas of pods managed by this autoscaler.
-	DesiredReplicas int `json:"replicas" description:"number of desired replicas"`
+	DesiredReplicas int `json:"desiredReplicas" description:"number of desired replicas"`
 
 	// CurrentConsumption is the current average consumption of the given resource that the autoscaler will
 	// try to maintain by adjusting the desired number of pods.