diff --git a/component/tls/config.go b/component/tls/config.go
index 06dd88f7..b5b56591 100644
--- a/component/tls/config.go
+++ b/component/tls/config.go
@@ -40,6 +40,9 @@ func ResetCertificate() {
 }
 
 func getCertPool() *x509.CertPool {
+	if len(trustCerts) == 0 {
+		return nil
+	}
 	if certPool == nil {
 		mutex.Lock()
 		defer mutex.Unlock()