diff --git a/Examples/python/simulation/ex06_Reflectometry/TimeOfFlightReflectometry.py b/Examples/python/simulation/ex06_Reflectometry/TimeOfFlightReflectometry.py
index 75d997344e7203531cb87ee2a0a6f6f61d23e490..c10e977497e1ecfdf7182ba677f2511d37c795b4 100644
--- a/Examples/python/simulation/ex06_Reflectometry/TimeOfFlightReflectometry.py
+++ b/Examples/python/simulation/ex06_Reflectometry/TimeOfFlightReflectometry.py
@@ -47,7 +47,7 @@ def get_simulation(scan_size=500):
     Defines and returns specular simulation
     with a qz-defined beam
     """
-    qzs = np.linspace(0.01, 1.0, scan_size, dtype=float)  # qz-values
+    qzs = np.linspace(0.01, 1.0, scan_size)  # qz-values
     scan = ba.QSpecScan(qzs)
     simulation = ba.SpecularSimulation()
     simulation.setScan(scan)