diff --git a/booking.emails.inc b/booking.emails.inc
index a38201a..89e6857 100644
--- a/booking.emails.inc
+++ b/booking.emails.inc
@@ -46,11 +46,8 @@ function _booking_registration_email($nid, $balance_payment, $manual = false) {
 		array(
 			'module' => 'booking',
 			'key' => 'registration_mail',
-			'variables' => array(
-				'body' => _booking_registration_email_generate($node, $waiting_list, $balance_payment, $manual),
-			)
-		)
-	);
+			'body' => _booking_registration_email_generate($node, $waiting_list, $balance_payment, $manual),
+	));
 	watchdog('booking_debug', "<pre>HTML body themed\n@info</pre>", array('@info' => print_r($html_body, true)));
 	$params['body'] = $html_body;