diff --git a/src/chartserver/client.go b/src/chartserver/client.go
index 1ab153570..a304c952a 100644
--- a/src/chartserver/client.go
+++ b/src/chartserver/client.go
@@ -31,12 +31,12 @@ type ChartClient struct {
 // NewChartClient is constructor of ChartClient
 // credential can be nil
 func NewChartClient(credential *Credential) *ChartClient { // Create http client with customized timeouts
+	tr := commonhttp.GetHTTPTransport(commonhttp.InternalTransport)
+	tr.MaxIdleConns = maxIdleConnections
+	tr.IdleConnTimeout = idleConnectionTimeout
 	client := &http.Client{
-		Timeout: clientTimeout,
-		Transport: &http.Transport{
-			MaxIdleConns:    maxIdleConnections,
-			IdleConnTimeout: idleConnectionTimeout,
-		},
+		Timeout:   clientTimeout,
+		Transport: tr,
 	}
 
 	return &ChartClient{