diff --git a/jetty-server/src/main/java/org/eclipse/jetty/server/HttpChannelState.java b/jetty-server/src/main/java/org/eclipse/jetty/server/HttpChannelState.java
index 57f9832868dd..d323049e9910 100644
--- a/jetty-server/src/main/java/org/eclipse/jetty/server/HttpChannelState.java
+++ b/jetty-server/src/main/java/org/eclipse/jetty/server/HttpChannelState.java
@@ -663,8 +663,7 @@ public void run()
                         }
                         catch (Throwable x)
                         {
-                            LOG.warn(x + " while invoking onTimeout listener " + listener);
-                            LOG.debug(x);
+                            LOG.warn("{} while invoking onTimeout listener {}", x, listener, x);
                         }
                     }
                 }