diff --git a/test/e2e/framework/util.go b/test/e2e/framework/util.go
index 4d839f0ebe5..23edde4dcaf 100644
--- a/test/e2e/framework/util.go
+++ b/test/e2e/framework/util.go
@@ -1536,7 +1536,7 @@ func headersForConfig(c *restclient.Config, url *url.URL) (http.Header, error) {
 	if err != nil {
 		return nil, err
 	}
-	if _, err := rt.RoundTrip(&http.Request{URL: url}); err != nil {
+	if _, err := rt.RoundTrip(&http.Request{Header: make(http.Header), URL: url}); err != nil {
 		return nil, err
 	}
 	return extract.Header, nil