diff --git a/inc/wordpress/namespace.php b/inc/wordpress/namespace.php
index b657841..0029462 100644
--- a/inc/wordpress/namespace.php
+++ b/inc/wordpress/namespace.php
@@ -42,7 +42,10 @@ function load_plugin() {
 		define( 'HM_DELEGATED_AUTH_CLIENT_ID', $config['oauth2-client-id'] );
 	}
 
-	define( 'HM_DELEGATED_AUTH_LOGIN_TEXT', __( 'Login with WordPress SSO', 'altis' ) );
+	if ( ! defined( 'HM_DELEGATED_AUTH_LOGIN_TEXT' ) ) {
+		define( 'HM_DELEGATED_AUTH_LOGIN_TEXT', __( 'Login with WordPress SSO', 'altis' ) );
+	}
+
 	add_filter( 'delegated_oauth.sync-roles', ( empty( $config['sync-roles'] ) || ! $config['sync-roles'] ) ? '__return_false' : '__return_true' );
 
 	require_once Altis\ROOT_DIR . '/vendor/humanmade/delegated-oauth/plugin.php';