diff --git a/cmd/kube-apiserver/app/server_test.go b/cmd/kube-apiserver/app/server_test.go
index f2250c86d82..0d83beec9d7 100644
--- a/cmd/kube-apiserver/app/server_test.go
+++ b/cmd/kube-apiserver/app/server_test.go
@@ -78,7 +78,7 @@ func TestGenerateStorageVersionMap(t *testing.T) {
 			legacyVersion:   "v1",
 			storageVersions: "v1,extensions/v1beta1",
 			expectedMap: map[string]string{
-				"":             "v1",
+				"":           "v1",
 				"extensions": "extensions/v1beta1",
 			},
 		},
@@ -86,7 +86,7 @@ func TestGenerateStorageVersionMap(t *testing.T) {
 			legacyVersion:   "",
 			storageVersions: "extensions/v1beta1,v1",
 			expectedMap: map[string]string{
-				"":             "v1",
+				"":           "v1",
 				"extensions": "extensions/v1beta1",
 			},
 		},
diff --git a/pkg/api/registered/registered.go b/pkg/api/registered/registered.go
index 71ee9d90f65..a3f8ddfbfc4 100644
--- a/pkg/api/registered/registered.go
+++ b/pkg/api/registered/registered.go
@@ -32,7 +32,7 @@ var RegisteredVersions []string
 func init() {
 	// TODO: caesarxuchao: rename this variable to validGroupVersions
 	validAPIVersions := map[string]bool{
-		"v1": true,
+		"v1":                 true,
 		"extensions/v1beta1": true,
 	}