diff --git a/pkg/cluster/util.go b/pkg/cluster/util.go
index 3b3eb28a5..0f71d2d64 100644
--- a/pkg/cluster/util.go
+++ b/pkg/cluster/util.go
@@ -6,6 +6,7 @@ import (
 	"encoding/gob"
 	"encoding/json"
 	"fmt"
+	"net/http"
 	"reflect"
 	"sort"
 	"strings"