diff --git a/Examples/specular/PolarizedSpinAsymmetry.py b/Examples/specular/PolarizedSpinAsymmetry.py
index 5a52f26235ddf440d18f3ee41d817b83f684a142..8ad576d20b1a49e849827bbb5f65ecacf29dab4b 100755
--- a/Examples/specular/PolarizedSpinAsymmetry.py
+++ b/Examples/specular/PolarizedSpinAsymmetry.py
@@ -71,14 +71,11 @@ def get_simulation(sample, q_axis, parameters, polarizer_dir,
     from given parameters
     """
     q_axis = q_axis + parameters["q_offset"]
-    scan = ba.QzScan(q_axis)
-
-    # unused, why was this define: dq = parameters["q_res"]*q_axis
-    n_sig = 4.0
-    n_samples = 25
+    distr = ba.DistributionGaussian(0., 1., 25, 4.)
 
-    distr = ba.RangedDistributionGaussian(n_samples, n_sig)
+    scan = ba.QzScan(q_axis)
     scan.setAbsoluteQResolution(distr, parameters["q_res"])
+                                       # TODO CHECK not parameters["q_res"]*q_axis ??
 
     scan.setPolarization(polarizer_dir)
     scan.setAnalyzer(analyzer_dir, 1, 0.5)