diff --git a/tests/processor/test_observation_processor.py b/tests/processor/test_observation_processor.py
index 33a03756f..1f8cd92f0 100644
--- a/tests/processor/test_observation_processor.py
+++ b/tests/processor/test_observation_processor.py
@@ -257,7 +257,7 @@ def test_no_states_in_observation():
     processed_obs = result[0]
 
     # Should preserve data unchanged
-    assert processed_obs == observation
+    np.testing.assert_array_equal(processed_obs, observation)
 
 
 def test_complete_observation_processing():