diff --git a/tiramisu/api.py b/tiramisu/api.py
index bc96533..a2e8366 100644
--- a/tiramisu/api.py
+++ b/tiramisu/api.py
@@ -1168,7 +1168,7 @@ class _TiramisuContextConfig(TiramisuContext, _TiramisuContextConfigReset):
         return Config(self._config_bag.context.cfgimpl_get_meta())
 
     def path(self):
-        return self._config_bag.context.cfgimpl_get_path()
+        return self._config_bag.context.cfgimpl_get_config_path()
 
 
 class _TiramisuContextGroupConfig(TiramisuContext):
@@ -1202,7 +1202,7 @@ class _TiramisuContextGroupConfig(TiramisuContext):
         return Config(config)
 
     def path(self):
-        return self._config_bag.context.cfgimpl_get_path()
+        return self._config_bag.context.cfgimpl_get_config_path()
 
 
 class _TiramisuContextMixConfig(_TiramisuContextGroupConfig, _TiramisuContextConfigReset):
diff --git a/tiramisu/config.py b/tiramisu/config.py
index 228b419..e0c9f4d 100644
--- a/tiramisu/config.py
+++ b/tiramisu/config.py
@@ -617,11 +617,6 @@ class _CommonConfig(SubConfig):
         config_bag = ConfigBag(context=self)
         descr.impl_build_force_store_values(config_bag)
 
-    def cfgimpl_get_path(self, dyn=True):
-        if self._impl_meta is None or self._impl_meta() is None:
-            return self._impl_name
-        return self._impl_meta().cfgimpl_get_path() + '.' + self._impl_name
-
     def cfgimpl_get_meta(self):
         if self._impl_meta is not None:
             return self._impl_meta()
@@ -767,6 +762,11 @@ class KernelConfig(_CommonConfig):
     def impl_getname(self):
         return self._impl_name
 
+    def cfgimpl_get_config_path(self):
+        if self._impl_meta is None or self._impl_meta() is None:
+            return self._impl_name
+        return self._impl_meta().cfgimpl_get_config_path() + '.' + self._impl_name
+
 
 class KernelGroupConfig(_CommonConfig):
     __slots__ = ('__weakref__',
@@ -961,6 +961,11 @@ class KernelGroupConfig(_CommonConfig):
                 return child
         raise ConfigError(_('unknown config "{}"').format(name))
 
+    def cfgimpl_get_config_path(self):
+        if self._impl_meta is None or self._impl_meta() is None:
+            return self._impl_name
+        return self._impl_meta().cfgimpl_get_config_path() + '.' + self._impl_name
+
 
 class KernelMixConfig(KernelGroupConfig):
     __slots__ = tuple()
diff --git a/tiramisu/value.py b/tiramisu/value.py
index 1089c87..3851201 100644
--- a/tiramisu/value.py
+++ b/tiramisu/value.py
@@ -160,7 +160,7 @@ class Values(object):
         moption_bag = self._get_meta(option_bag)
         if moption_bag:
             # retrieved value from meta config
-            return moption_bag.config_bag.context.cfgimpl_get_values().get_cached_value(moption_bag)
+            return moption_bag.config_bag.context.cfgimpl_get_values().get_cached_value(option_bag)
 
         if opt.impl_has_callback():
             # if value has callback, calculate value