diff --git a/Lodel/user.py b/Lodel/user.py
index 2c55ed1..7e40fae 100644
--- a/Lodel/user.py
+++ b/Lodel/user.py
@@ -147,7 +147,7 @@ class identification_method(object):
     @classmethod
     def identify(cls, client_infos):
         if len(cls.__methods) == 0:
-            raise RuntimeError("Not identification method registered")
+            warnings.warn("No identification methods registered")
         res = False
         for method in cls.__methods:
             ret = method(client_infos)
diff --git a/plugins/acl.py b/plugins/acl.py
index 1d43f4e..c20ed44 100644
--- a/plugins/acl.py
+++ b/plugins/acl.py
@@ -9,6 +9,7 @@ class PermissionDenied(Exception): pass
 def check_anon(hook_name, caller, payload):
     if not UserContext.identity().is_identified:
         raise PermissionDenied("Anonymous user's are not allowed to get content")
+    return payload
 
 @LodelHook('leapi_update_pre')
 @LodelHook('leapi_delete_pre')
@@ -16,3 +17,4 @@ def check_anon(hook_name, caller, payload):
 def check_auth(hook_name, caller, payload):
     if not UserContext.identity().is_authenticated:
         raise PermissionDenied("Only authenticated user's are allowed to do that !")
+    return payload