diff --git a/server/src/test/java/org/elasticsearch/persistent/TestPersistentTasksPlugin.java b/server/src/test/java/org/elasticsearch/persistent/TestPersistentTasksPlugin.java
index 95917f205c2bd..c2ce50ed73c8f 100644
--- a/server/src/test/java/org/elasticsearch/persistent/TestPersistentTasksPlugin.java
+++ b/server/src/test/java/org/elasticsearch/persistent/TestPersistentTasksPlugin.java
@@ -491,7 +491,7 @@ public static class TestTasksResponse extends BaseTasksResponse {
         private List<TestTaskResponse> tasks;
 
         public TestTasksResponse() {
-
+            super(null, null);
         }
 
         public TestTasksResponse(List<TestTaskResponse> tasks, List<TaskOperationFailure> taskFailures,