1 files changed, 1 insertions, 0 deletions

diff --git a/ThirdParty/SmartThreadPool/WorkItemsQueue.cs b/ThirdParty/SmartThreadPool/WorkItemsQueue.cs
index e0bc916..019c0d3 100644
--- a/ThirdParty/SmartThreadPool/WorkItemsQueue.cs
+++ b/ThirdParty/SmartThreadPool/WorkItemsQueue.cs
@@ -625,6 +625,7 @@ namespace Amib.Threading.Internal
             if (!_isDisposed)
             {
                 Cleanup();
+                        _headWaiterEntry.Close();
             }
             _isDisposed = true;
         }