diff --git a/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/DetectorFloodWeighting.py b/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/DetectorFloodWeighting.py
index fe35222ca73636d02d42c9aca894c41fbce4b02a..1e8a2e0b6140e01a546f9e9144ef15873c380084 100644
--- a/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/DetectorFloodWeighting.py
+++ b/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/DetectorFloodWeighting.py
@@ -2,8 +2,7 @@ from mantid.api import DataProcessorAlgorithm, AlgorithmFactory, MatrixWorkspace
 
 from mantid.kernel import Direction, FloatArrayProperty, FloatArrayBoundedValidator
 
-import numpy as np 
-
+import numpy as np
 
 class DetectorFloodWeighting(DataProcessorAlgorithm):
 
@@ -110,4 +109,5 @@ class DetectorFloodWeighting(DataProcessorAlgorithm):
         self.setProperty('OutputWorkspace', normalized)
 
 
-# Register alg
\ No newline at end of file
+# Register alg
+AlgorithmFactory.subscribe(DetectorFloodWeighting)