diff --git a/test/test_option_calculation.py b/test/test_option_calculation.py
index 9196b7b..2230fba 100644
--- a/test/test_option_calculation.py
+++ b/test/test_option_calculation.py
@@ -487,3 +487,14 @@ def test_callback_master_and_slaves_value():
     assert cfg.val1.val2 == ['val2', 'val2', 'val3']
 
 
+def test_callback_hidden():
+    opt1 = BoolOption('opt1', '')
+    opt2 = BoolOption('opt2', '', callback=return_value, callback_params={'': (('od1.opt1', False),)})
+    od1 = OptionDescription('od1', '', [opt1], properties=('hidden',))
+    od2 = OptionDescription('od2', '', [opt2])
+    maconfig = OptionDescription('rootconfig', '', [od1, od2])
+    cfg = Config(maconfig)
+    cfg.cfgimpl_get_settings().set_permissive(('hidden',))
+    cfg.read_write()
+    raises(PropertiesOptionError, 'cfg.od1.opt1')
+    cfg.od2.opt2
diff --git a/tiramisu/autolib.py b/tiramisu/autolib.py
index 0d700c3..6ba1dfd 100644
--- a/tiramisu/autolib.py
+++ b/tiramisu/autolib.py
@@ -49,7 +49,7 @@ def carry_out_calculation(name, config, callback, callback_params, index=None):
                     raise ConfigError(_('no config specified but needed'))
                 try:
                     opt_value = config._getattr(path, force_permissive=True)
-                    opt = config.unwrap_from_path(path)
+                    opt = config.unwrap_from_path(path, force_permissive=True)
                 except PropertiesOptionError, err:
                     if check_disabled:
                         continue
diff --git a/tiramisu/config.py b/tiramisu/config.py
index 9587e69..7152ea6 100644
--- a/tiramisu/config.py
+++ b/tiramisu/config.py
@@ -351,32 +351,32 @@ class SubConfig(BaseInformation):
 
     def make_dict(self, flatten=False, _currpath=None, withoption=None,
                   withvalue=None):
-        """exports the whole config into a `dict`, for example: 
-        
+        """exports the whole config into a `dict`, for example:
+
         >>> print cfg.make_dict()
         {'od2.var4': None, 'od2.var5': None, 'od2.var6': None}
-        
-        
-        
+
+
+
         :param flatten: returns a dict(name=value) instead of a dict(path=value)
                         ::
 
                             >>> print cfg.make_dict(flatten=True)
                             {'var5': None, 'var4': None, 'var6': None}
-       
+
         :param withoption: returns the options that are present in the very same
                            `OptionDescription` than the `withoption` itself::
 
                                 >>> print cfg.make_dict(withoption='var1')
-                                {'od2.var4': None, 'od2.var5': None, 'od2.var6': None, 
-                                'od2.var1': u'value', 'od1.var1': None, 
+                                {'od2.var4': None, 'od2.var5': None, 'od2.var6': None,
+                                'od2.var1': u'value', 'od1.var1': None,
                                 'od1.var3': None, 'od1.var2': None}
 
         :param withvalue: returns the options that have the value `withvalue`
                           ::
 
                             >>> print c.make_dict(withoption='var1', withvalue=u'value')
-                            {'od2.var4': None, 'od2.var5': None, 'od2.var6': None, 
+                            {'od2.var4': None, 'od2.var5': None, 'od2.var6': None,
                             'od2.var1': u'value'}
 
         :returns: dict of Option's name (or path) and values
@@ -466,7 +466,7 @@ class CommonConfig(SubConfig):
         opt = self.cfgimpl_get_description().impl_get_opt_by_path(path)
         return self.cfgimpl_get_values().getowner(opt)
 
-    def unwrap_from_path(self, path):
+    def unwrap_from_path(self, path, force_permissive=False):
         """convenience method to extract and Option() object from the Config()
         and it is **fast**: finds the option directly in the appropriate
         namespace
@@ -474,7 +474,8 @@ class CommonConfig(SubConfig):
         :returns: Option()
         """
         if '.' in path:
-            homeconfig, path = self.cfgimpl_get_home_by_path(path)
+            homeconfig, path = self.cfgimpl_get_home_by_path(path,
+                                                             force_permissive=force_permissive)
             return getattr(homeconfig.cfgimpl_get_description(), path)
         return getattr(self.cfgimpl_get_description(), path)