diff --git a/indexing-service/src/main/java/io/druid/indexing/overlord/scaling/SimpleResourceManagementStrategy.java b/indexing-service/src/main/java/io/druid/indexing/overlord/scaling/SimpleResourceManagementStrategy.java
index 25afe9feedc..50d612bd908 100644
--- a/indexing-service/src/main/java/io/druid/indexing/overlord/scaling/SimpleResourceManagementStrategy.java
+++ b/indexing-service/src/main/java/io/druid/indexing/overlord/scaling/SimpleResourceManagementStrategy.java
@@ -200,7 +200,7 @@ public class SimpleResourceManagementStrategy implements ResourceManagementStrat
                     {
                       return input.getRunningTasks().isEmpty()
                              && System.currentTimeMillis() - input.getLastCompletedTaskTime().getMillis()
-                                >= config.getWorkerIdleTimeout().getMillis();
+                                >= config.getWorkerIdleTimeout().toStandardDuration().getMillis();
                     }
                   }
               )