diff --git a/booking.stripe.inc b/booking.stripe.inc
index d2f46d8..a3ac2b7 100644
--- a/booking.stripe.inc
+++ b/booking.stripe.inc
@@ -175,6 +175,7 @@ function booking_stripeform_validate_form_payment($form, &$form_state) {
 
   $token = $form_state['values']['stripeToken'];
   $amount = $form_state['values']['amount'] * 100;
+  watchdog('booking_debug', "<pre>Stripe payment form :\n@info</pre>", array('@info' => print_r( $form_state, true)));
 
   // Create the charge on Stripe's servers - this will charge the user's card
   try {