diff --git a/tests/test_sampler.py b/tests/test_sampler.py
index 2326d12c..635e7f11 100644
--- a/tests/test_sampler.py
+++ b/tests/test_sampler.py
@@ -85,5 +85,6 @@ def test_shuffle():
     assert len(sampler) == 6
     assert list(sampler) == [0, 1, 2, 3, 4, 5]
     sampler = EpisodeAwareSampler(episode_data_index, shuffle=True)
+    assert sampler.indices == [0, 1, 2, 3, 4, 5]
     assert len(sampler) == 6
     assert set(sampler) == {0, 1, 2, 3, 4, 5}