diff --git a/src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/Worker.java b/src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/Worker.java
index 38d616c9..f8c66181 100644
--- a/src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/Worker.java
+++ b/src/main/java/com/amazonaws/services/kinesis/clientlibrary/lib/worker/Worker.java
@@ -1469,7 +1469,7 @@ public class Worker implements Runnable {
             }
 
             if (shardPrioritization == null) {
-                shardPrioritization = new ParentsFirstShardPrioritization(1);
+                shardPrioritization = new NoOpShardPrioritization();
             }
 
             if (kinesisProxy == null) {