diff --git a/ccc/tests/test_calculator.py b/ccc/tests/test_calculator.py
index f893c755..67904b47 100644
--- a/ccc/tests/test_calculator.py
+++ b/ccc/tests/test_calculator.py
@@ -334,7 +334,7 @@ def test_p_param_return_value():
     dp = DepreciationParams()
     calc1 = Calculator(p, dp, assets)
     obj = calc1.p_param("tau_int")
-    assert np.allclose(obj, np.array([0.31391843]))
+    assert np.allclose(obj, np.array([0.31334561]))
 
 
 def test_p_param_set_value():