diff --git a/pkg/apiserver/authenticator/authn.go b/pkg/apiserver/authenticator/authn.go
index a2d1a71670..99d3e5e77d 100644
--- a/pkg/apiserver/authenticator/authn.go
+++ b/pkg/apiserver/authenticator/authn.go
@@ -179,8 +179,8 @@ func newAuthenticatorFromClientCAFile(clientCAFile string) (authenticator.Reques
 }
 
 // newAuthenticatorFromTokenFile returns an authenticator.Request or an error
-func newAuthenticatorFromKeystoneURL(keystoneConfigFile string) (authenticator.Request, error) {
-	keystoneAuthenticator, err := keystone.NewKeystoneAuthenticator(keystoneConfigFile)
+func newAuthenticatorFromKeystoneURL(keystoneURL string) (authenticator.Request, error) {
+	keystoneAuthenticator, err := keystone.NewKeystoneAuthenticator(keystoneURL)
 	if err != nil {
 		return nil, err
 	}