diff --git a/maxims/test/test_indirection.py b/maxims/test/test_indirection.py
index <HASH>..<HASH> 100644
--- a/maxims/test/test_indirection.py
+++ b/maxims/test/test_indirection.py
@@ -34,6 +34,7 @@ class StoredLaser(item.Item):
 
 
 
+@interface.implementer(ILaser)
 class Laser(object):
     """
     A laser.
Indirection tests forget to declare implemented interface