diff --git a/Framework/PythonInterface/plugins/algorithms/MagnetismReflectometryReduction.py b/Framework/PythonInterface/plugins/algorithms/MagnetismReflectometryReduction.py
index 8d163f4c9925d5d082d3899a33b8dbb256f50e6d..ba8bd4b230931cf164a6c6552f078ed0f49166d3 100644
--- a/Framework/PythonInterface/plugins/algorithms/MagnetismReflectometryReduction.py
+++ b/Framework/PythonInterface/plugins/algorithms/MagnetismReflectometryReduction.py
@@ -753,7 +753,7 @@ class MagnetismReflectometryReduction(PythonAlgorithm):
                              XPixelMax=int(background_range[1]),
                              YPixelMin=low_res_min,
                              YPixelMax=low_res_max,
-                             ErrorWeighting = True,
+                             ErrorWeighting = False,
                              SumPixels=True, NormalizeSum=True)
 
             signal = RefRoi(InputWorkspace=workspace, IntegrateY=True,