diff --git a/bindings/pyfiction/test/algorithms/simulation/sidb/test_assess_physical_population_stability.py b/bindings/pyfiction/test/algorithms/simulation/sidb/test_assess_physical_population_stability.py
index 552e34d1f..40371ef3b 100644
--- a/bindings/pyfiction/test/algorithms/simulation/sidb/test_assess_physical_population_stability.py
+++ b/bindings/pyfiction/test/algorithms/simulation/sidb/test_assess_physical_population_stability.py
@@ -14,7 +14,7 @@ def test_three_DBs(self):
         params.simulation_parameters.mu_minus = -0.25
         cds = charge_distribution_surface(layout)
         result = assess_physical_population_stability(cds, params)
-        self.assertEqual(len(result), 3)
+        self.assertEqual(len(result), 5)
         self.assertLessEqual(result[0].system_energy, result[1].system_energy)
         self.assertLessEqual(result[1].system_energy, result[2].system_energy)