diff --git a/jetty-core/jetty-io/src/main/java/org/eclipse/jetty/io/IdleTimeout.java b/jetty-core/jetty-io/src/main/java/org/eclipse/jetty/io/IdleTimeout.java
index 71c07b352a5f..94cd3d35b87a 100644
--- a/jetty-core/jetty-io/src/main/java/org/eclipse/jetty/io/IdleTimeout.java
+++ b/jetty-core/jetty-io/src/main/java/org/eclipse/jetty/io/IdleTimeout.java
@@ -164,7 +164,7 @@ protected long checkIdleTimeout()
             {
                 if (idleLeft <= 0)
                 {
-                    TimeoutException timeout = new TimeoutException("Idle timeout expired: " + idleElapsed + "/" + idleTimeout + " ms");
+                    TimeoutException timeout = new TimeoutException("Idle timeout expired: " + idleElapsed + "/" + idleTimeout + " ms in " + this);
                     if (LOG.isDebugEnabled())
                         LOG.debug("{} idle timeout expired", this, timeout);
                     try