diff --git a/test/test_imagetree.py b/test/test_imagetree.py
index 824709be9..d72eb6505 100644
--- a/test/test_imagetree.py
+++ b/test/test_imagetree.py
@@ -63,7 +63,7 @@ class TestImageTree(unittest.TestCase):
   def test_filtering(self):
     all_images = list(model.get_repository_images(NAMESPACE, COMPLEX_REPO))
     all_tags = list(model.list_repository_tags(NAMESPACE, COMPLEX_REPO))
-    tree = ImageTree(all_images, all_tags, parent_filter=1245)
+    tree = ImageTree(all_images, all_tags, base_filter=1245)
 
     base_image = self._get_base_image(all_images)