diff --git a/conductor/ConductorWorker.py b/conductor/ConductorWorker.py
index 872fc36..c50b119 100644
--- a/conductor/ConductorWorker.py
+++ b/conductor/ConductorWorker.py
@@ -145,6 +145,9 @@ class ConductorWorker:
                 activecount = threading.active_count()
                 if expectedthreads != activecount:
                     logging.getLogger("pyexec").fatal("!!! Active/expected running threads count is: %d/%d", activecount, expectedthreads)
+                if activecount == 1:
+                    logging.getLogger("pyexec").fatal("!!! Exiting")
+                    sys.exit(1)
 
 
 def exc(taskType, inputData, startTime, retryCount, status, callbackAfterSeconds, pollCount):