diff --git a/activemq-core/src/main/java/org/apache/activemq/broker/region/PrefetchSubscription.java b/activemq-core/src/main/java/org/apache/activemq/broker/region/PrefetchSubscription.java
index 3507b88f11..1f41202834 100755
--- a/activemq-core/src/main/java/org/apache/activemq/broker/region/PrefetchSubscription.java
+++ b/activemq-core/src/main/java/org/apache/activemq/broker/region/PrefetchSubscription.java
@@ -178,7 +178,8 @@ public abstract class PrefetchSubscription extends AbstractSubscription {
         }
         throw new JMSException(
                 "Slave broker out of sync with master: Dispatched message ("
-                        + mdn.getMessageId() + ") was not in the pending list for " + mdn.getDestination().getPhysicalName());
+                        + mdn.getMessageId() + ") was not in the pending list for "
+                        + mdn.getConsumerId() + " on " + mdn.getDestination().getPhysicalName());
     }
 
     public final void acknowledge(final ConnectionContext context,final MessageAck ack) throws Exception {