diff --git a/azkaban-execserver/src/main/java/azkaban/execapp/JobRunner.java b/azkaban-execserver/src/main/java/azkaban/execapp/JobRunner.java
index a58a5a2..901fb38 100644
--- a/azkaban-execserver/src/main/java/azkaban/execapp/JobRunner.java
+++ b/azkaban-execserver/src/main/java/azkaban/execapp/JobRunner.java
@@ -51,7 +51,7 @@ import azkaban.utils.Props;
public class JobRunner extends EventHandler implements Runnable {
private final Layout DEFAULT_LAYOUT = new EnhancedPatternLayout(
- "%d{dd-MM-yyyy HH:mm:ss z} %c %p - %m\n");
+ "%d{dd-MM-yyyy HH:mm:ss z} %c{1} %p - %m\n");
private ExecutorLoader loader;
private Props props;