diff --git a/script/Correlation/Correlation.py b/script/Correlation/Correlation.py
index 1038d2a..dd26371 100644
--- a/script/Correlation/Correlation.py
+++ b/script/Correlation/Correlation.py
@@ -38,7 +38,6 @@ def _get_device(d):
                 _stream = Stream("corr_stream", dispatcher)
                 instances.append(_stream)
             _stream.addScalar(d, d, int(interval*100), 0)
-            d =  Channel(d)    
         else:
             d =  Channel(d)    
             instances.append(d)