diff --git a/tests/retrieve/test_echo_class.py b/tests/retrieve/test_echo_class.py
index c9d1b165a5..ff11f74dd3 100644
--- a/tests/retrieve/test_echo_class.py
+++ b/tests/retrieve/test_echo_class.py
@@ -175,7 +175,7 @@ def test_data_limits_table():
         "RhoHV": (-5.23, -50.0),
     }
 
-    assert type(dlimits_dict) == dict
+    assert isinstance(dlimits_dict, dict)
     assert dlimits_dict == test_dict