--- a/src/pyams_utils/registry.py	Wed Mar 11 12:21:50 2015 +0100
+++ b/src/pyams_utils/registry.py	Wed Mar 11 12:22:22 2015 +0100
@@ -73,7 +73,7 @@
     result = []
     for registry in _get_registries():
         for utilities in registry.getAllUtilitiesRegisteredFor(interface):
-            result.extend(utilities)
+            result.append(utilities)
     return result