diff --git a/platypush/event/hook.py b/platypush/event/hook.py
index ed04ab43..82d252ee 100644
--- a/platypush/event/hook.py
+++ b/platypush/event/hook.py
@@ -69,7 +69,8 @@ class EventAction(Request):
     """ Event hook action class. It is a special type of runnable request
         whose fields can be configured later depending on the event context """
 
-    def __init__(self, target=Config.get('device_id'), action=None, **args):
+    def __init__(self, target=None, action=None, **args):
+        if target is None: target=Config.get('device_id')
         super().__init__(target=target, action=action, **args)
 
 
diff --git a/platypush/event/processor/__init__.py b/platypush/event/processor/__init__.py
index f2254c9e..06ce12e6 100644
--- a/platypush/event/processor/__init__.py
+++ b/platypush/event/processor/__init__.py
@@ -10,12 +10,14 @@ class EventProcessor(object):
     """ Event processor class. Checks an event against the configured
         rules and executes any matching event hooks """
 
-    def __init__(self, hooks=Config.get_event_hooks(), **kwargs):
+    def __init__(self, hooks=None, **kwargs):
         """
         Params:
             hooks -- List of event hooks (default: any entry in the config
             named as event.hook.<hook_name> """
 
+        if hooks is None: hooks = Config.get_event_hooks()
+
         self.hooks = []
         for (name, hook) in hooks.items():
             h = EventHook.build(name=name, hook=hook)