diff --git a/spring-webflow-reference/src/defining-flows.xml b/spring-webflow-reference/src/defining-flows.xml
index e510bae2..887cbc3e 100644
--- a/spring-webflow-reference/src/defining-flows.xml
+++ b/spring-webflow-reference/src/defining-flows.xml
@@ -469,7 +469,7 @@ public interface FlowOutcome {
 
     <subflow-state id="addGuest" subflow="createGuest">
         <transition on="guestCreated" to="reviewBooking">
-            <evaluate expression="booking.guests.add(guest)"/>  
+            <evaluate expression="booking.guests.add(currentEvent.guest)"/>  
         </transition>
         <transition on="creationCancelled" to="reviewBooking" />
     </subfow-state>