diff --git a/scripts/test/SANS/gui_logic/beam_centre_model_test.py b/scripts/test/SANS/gui_logic/beam_centre_model_test.py
index e63f42bb8421ddc158b1f8ae488a67de08fd2c97..0c4bceb9a26b8737cae1d0ee8cfb6b1727da8a1e 100644
--- a/scripts/test/SANS/gui_logic/beam_centre_model_test.py
+++ b/scripts/test/SANS/gui_logic/beam_centre_model_test.py
@@ -29,7 +29,7 @@ class BeamCentreModelTest(unittest.TestCase):
         self.assertEqual(self.beam_centre_model.r_max, 280)
         self.assertEqual(self.beam_centre_model.left_right, True)
         self.assertEqual(self.beam_centre_model.up_down, True)
-        self.assertEqual(self.beam_centre_model.tolerance, 0.000125)
+        self.assertEqual(self.beam_centre_model.tolerance, 0.0001251)
         self.assertEqual(self.beam_centre_model.lab_pos_1, '')
         self.assertEqual(self.beam_centre_model.lab_pos_2, '')
         self.assertEqual(self.beam_centre_model.hab_pos_2, '')