diff --git a/indexing-service/src/main/java/io/druid/indexing/worker/WorkerTaskMonitor.java b/indexing-service/src/main/java/io/druid/indexing/worker/WorkerTaskMonitor.java
index 51ad98adaf2..3e31461cecf 100644
--- a/indexing-service/src/main/java/io/druid/indexing/worker/WorkerTaskMonitor.java
+++ b/indexing-service/src/main/java/io/druid/indexing/worker/WorkerTaskMonitor.java
@@ -108,6 +108,8 @@ public class WorkerTaskMonitor
                   return;
                 }
 
+                log.info("Submitting runnable for task[%s]", task.getId());
+
                 exec.submit(
                     new Runnable()
                     {