diff --git a/options.go b/options.go
index b49f0679..585a688c 100644
--- a/options.go
+++ b/options.go
@@ -29,7 +29,7 @@ type Options struct {
 	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"`
+	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"`