diff --git a/tests/test_utils_get_adj.py b/tests/test_utils_get_adj.py
index b1dd70884..31b6fdd37 100644
--- a/tests/test_utils_get_adj.py
+++ b/tests/test_utils_get_adj.py
@@ -7,9 +7,9 @@ from slic.utils.get_adj import *
 
 @pytest.fixture(autouse=True)
 def cleanup_adjustables():
-    instances(Adjustable).clear()   
+    instances(SubAdjustable).clear() 
     yield
-    instances(Adjustable).clear()
+    instances(SubAdjustable).clear()
 
 class SubAdjustable(Adjustable):
     def __init__(self, *a, **kw):