diff --git a/activemq-core/src/main/java/org/apache/activemq/transport/InactivityMonitor.java b/activemq-core/src/main/java/org/apache/activemq/transport/InactivityMonitor.java
index 0a06ee912c..41d1dd64dd 100755
--- a/activemq-core/src/main/java/org/apache/activemq/transport/InactivityMonitor.java
+++ b/activemq-core/src/main/java/org/apache/activemq/transport/InactivityMonitor.java
@@ -246,7 +246,7 @@ public class InactivityMonitor extends TransportFilter {
 
     public void onException(IOException error) {
         closeDown();
-        if (!failed.getAndSet(true)) {
+        if (!failed.compareAndSet(false,true)) {
             transportListener.onException(error);
         }
     }