diff --git a/python/task_manager/worker_thread.py b/python/task_manager/worker_thread.py
index d2a0f854..be79aeb7 100644
--- a/python/task_manager/worker_thread.py
+++ b/python/task_manager/worker_thread.py
@@ -55,7 +55,9 @@ def shut_down(self):
             self._results_dispatcher = None
             self._process_tasks = False
             self._wait_condition.notifyAll()
-        self.join()
+            
+        self._process_tasks = False
+        #self.join()
 
     def run(self):
         """