diff --git a/VoiceAttackResponder/VoiceAttackEventHandler.cs b/VoiceAttackResponder/VoiceAttackEventHandler.cs
index 8cc8106eea..08e4c7b06b 100644
--- a/VoiceAttackResponder/VoiceAttackEventHandler.cs
+++ b/VoiceAttackResponder/VoiceAttackEventHandler.cs
@@ -92,6 +92,7 @@ private static void dequeueEvents ( BlockingCollection<Event> eventQueue, ref dy
                     if ( eventQueue.Count == 0 )
                     {
                         // If the event queue is empty then we can complete and clean up the associated consumer task.
+                        eventQueue.CompleteAdding();
                         return;
                     }
                 }