diff --git a/test/registry_tests.py b/test/registry_tests.py
index d5d801c53..69759e444 100644
--- a/test/registry_tests.py
+++ b/test/registry_tests.py
@@ -1324,7 +1324,7 @@ class SquashingTests(RegistryTestCaseMixin, V1RegistryPushMixin, LiveServerTestC
     # squashed image doesn't yet exist.
     self.conduct('GET', '/c1/squash/devtable/newrepo/latest', auth=('devtable', 'password'),
                  headers=dict(accept='application/x-bittorrent'),
-                 expected_code=404)
+                 expected_code=406)
 
     # Pull the squashed version of the tag.
     tar, squashed = self.get_squashed_image()