diff --git a/script/local.py b/script/local.py
index 9fef1bb..81eca04 100644
--- a/script/local.py
+++ b/script/local.py
@@ -113,9 +113,10 @@ stop_event = None
 parameter_queue = None
 statistics  =None
 current_pipeline = None
+pipeline_port = None
 
 def start_pipeline(name, parameters, port=DEFAULT_PIPELINE_PORT):
-    global stop_event, parameter_queue, statistics, current_pipeline, parameter_queue, statistics
+    global stop_event, parameter_queue, statistics, current_pipeline, parameter_queue, statistics, pipeline_port
     if name is None:
         raise Exception("Pipeline name undefined")
     stop_pipeline();