diff --git a/tests/test_torch.py b/tests/test_torch.py
index f661a272..c8619565 100644
--- a/tests/test_torch.py
+++ b/tests/test_torch.py
@@ -130,3 +130,13 @@ def test_meshgrid():
     assert Y.shape == Y_ij.shape
     assert xp.all(Y == Y_ij)
 
+
+def test_argsort_stable():
+    """Verify that argsort defaults to a stable sort."""
+    # Bare pytorch defaults to an unstable sort, and the array_api_compat wrapper
+    # enforces the stable=True default.
+    # cf https://github.com/data-apis/array-api-compat/pull/356 and
+    # https://github.com/data-apis/array-api-tests/pull/390#issuecomment-3452868329
+
+    t = xp.zeros(50)    # should be >16
+    assert xp.all(xp.argsort(t) == xp.arange(50))