diff --git a/test/e2e/framework/util.go b/test/e2e/framework/util.go
index 7256ab61eb3..fa97b132aa3 100644
--- a/test/e2e/framework/util.go
+++ b/test/e2e/framework/util.go
@@ -4226,7 +4226,7 @@ func OpenWebSocketForURL(url *url.URL, config *restclient.Config, protocols []st
 	if err != nil {
 		return nil, fmt.Errorf("Failed to create tls config: %v", err)
 	}
-	if tlsConfig != nil {
+	if tlsConfig != nil || url.Scheme == "https" {
 		url.Scheme = "wss"
 		if !strings.Contains(url.Host, ":") {
 			url.Host += ":443"