diff --git a/options.go b/options.go
index 67f672a4..b49f0679 100644
--- a/options.go
+++ b/options.go
@@ -25,11 +25,12 @@ type Options struct {
 	HttpsAddress string `flag:"https-address" cfg:"https_address"`
 	RedirectURL  string `flag:"redirect-url" cfg:"redirect_url"`
 	ClientID     string `flag:"client-id" cfg:"client_id" env:"OAUTH2_PROXY_CLIENT_ID"`
-	AudienceClientID     string `flag:"audience-client-id" cfg:"audience_client_id" env:"OAUTH2_PROXY_AUDIENCE_CLIENT_ID"`
 	ClientSecret string `flag:"client-secret" cfg:"client_secret" env:"OAUTH2_PROXY_CLIENT_SECRET"`
 	TLSCertFile  string `flag:"tls-cert" cfg:"tls_cert_file"`
 	TLSKeyFile   string `flag:"tls-key" cfg:"tls_key_file"`
 
+	AudienceClientID         string `flag:"audience-client-id" cfg:"audience_client_id" env:"OAUTH2_PROXY_AUDIENCE_CLIENT_ID"`
+
 	AuthenticatedEmailsFile  string   `flag:"authenticated-emails-file" cfg:"authenticated_emails_file"`
 	AzureTenant              string   `flag:"azure-tenant" cfg:"azure_tenant"`
 	EmailDomains             []string `flag:"email-domain" cfg:"email_domains"`