diff --git a/demo/comparison-oskar/run_oskar_simulation.py b/demo/comparison-oskar/run_oskar_simulation.py
index d05aff0b3f826e512e19dd7c60f7b3e648f91ccd..d6233bd366de067290dd4c318f4b41b9e56d3463 100755
--- a/demo/comparison-oskar/run_oskar_simulation.py
+++ b/demo/comparison-oskar/run_oskar_simulation.py
@@ -68,6 +68,7 @@ def main(npixels):
             'telescope/aperture_array/element_pattern/enable_numerical': True,
             'telescope/aperture_array/element_pattern/swap_xy': True,
             'telescope/aperture_array/array_pattern/enable': True,
+            'telescope/aperture_array/array_pattern/normalise': True
         },
     }