diff --git a/tests/utils/test_exceptions.py b/tests/utils/test_exceptions.py
index 8ab3a65a..84290297 100644
--- a/tests/utils/test_exceptions.py
+++ b/tests/utils/test_exceptions.py
@@ -13,8 +13,8 @@ def setup_function() -> None:
 
 def test_log() -> None:
     exc.MotionError()
-    # should contain MotionError and PyObsError
-    assert len(exc._local_exceptions) == 2
+    # should still be empty, since exception was not registered
+    assert len(exc._local_exceptions) == 0
 
 
 def test_register() -> None: