diff --git a/tests/python/examples/autodiff/test_minimization.py b/tests/python/examples/autodiff/test_minimization.py
index 3ac3a57a325ec..1c57df2e2cc26 100644
--- a/tests/python/examples/autodiff/test_minimization.py
+++ b/tests/python/examples/autodiff/test_minimization.py
@@ -17,4 +17,4 @@ def test_minimization():
         gradient_descent()
 
     for i in range(n):
-        assert x[i] == ti.approx(y[i], rel=1e-3)
+        assert x[i] == ti._testing.approx(y[i], rel=1e-3)