diff --git a/src/Durable/DurableTaskHandler.cs b/src/Durable/DurableTaskHandler.cs
index 4b32b776..4752114a 100644
--- a/src/Durable/DurableTaskHandler.cs
+++ b/src/Durable/DurableTaskHandler.cs
@@ -192,9 +192,9 @@ public void WaitAny(
             }
 
             var anyTaskCompleted = completedTasks.Count > 0;
-            context.IsReplaying = context.History[firstCompletedHistoryEventIndex].IsPlayed;
             if (anyTaskCompleted)
             {
+                context.IsReplaying = context.History[firstCompletedHistoryEventIndex].IsPlayed;
                 CurrentUtcDateTimeUpdater.UpdateCurrentUtcDateTime(context);
                 // Return a reference to the first completed task
                 output(firstCompletedTask);