diff --git a/halfapi/half_route.py b/halfapi/half_route.py
index ac19101..326037a 100644
--- a/halfapi/half_route.py
+++ b/halfapi/half_route.py
@@ -84,6 +84,8 @@ class HalfRoute(Route):
                         logger.debug(
                             'Args for current route (%s)', param.get('args'))
 
+                    if 'out' in param:
+                        req.scope['out'] = param['out']
 
                     if 'out' in param:
                         req.scope['out'] = param['out'].copy()
diff --git a/halfapi/lib/acl.py b/halfapi/lib/acl.py
index 745a144..ba507e9 100644
--- a/halfapi/lib/acl.py
+++ b/halfapi/lib/acl.py
@@ -108,8 +108,9 @@ def args_check(fct):
 
             kwargs['data'] = data
 
-        if req.scope.get('out'):
-            kwargs['out'] = req.scope.get('out').copy()
+        out_s = req.scope.get('out')
+        if out_s:
+            kwargs['out'] = list(out_s)
 
         return await fct(req, *args, **kwargs)