diff --git a/test/Grains/TestGrains/StatelessWorkerGrain.cs b/test/Grains/TestGrains/StatelessWorkerGrain.cs
index 9ca0e34a4ff..ccf6eb48487 100644
--- a/test/Grains/TestGrains/StatelessWorkerGrain.cs
+++ b/test/Grains/TestGrains/StatelessWorkerGrain.cs
@@ -5,7 +5,7 @@
 
 namespace UnitTests.Grains
 {
-    [StatelessWorker(MaxLocalWorkers)]
+    [StatelessWorker(MaxLocalWorkers, removeIdleWorkers: false)]
     public class StatelessWorkerGrain : Grain, IStatelessWorkerGrain
     {
         public const int MaxLocalWorkers = 1;