diff --git a/tiramisu/api.py b/tiramisu/api.py
index 77c127a..049b2ce 100644
--- a/tiramisu/api.py
+++ b/tiramisu/api.py
@@ -1001,8 +1001,11 @@ class TiramisuContextConfig(TiramisuContext):
 
     def _m_new(self,
                session_id,
-               persistent=False):
-        return Config(self.config_bag.context.new_config(session_id=session_id, persistent=persistent))
+               persistent=False,
+               type='config'):
+        return Config(self.config_bag.context.new_config(session_id=session_id,
+                                                         persistent=persistent,
+                                                         type_=type))
 
     def _m_pop(self,
                session_id):
diff --git a/tiramisu/config.py b/tiramisu/config.py
index aa04f50..1c945f1 100644
--- a/tiramisu/config.py
+++ b/tiramisu/config.py
@@ -1125,14 +1125,22 @@ class KernelMetaConfig(KernelGroupConfig):
 
     def new_config(self,
                    session_id,
+                   type_='config',
                    persistent=False):
-        config = KernelConfig(self._impl_descr,
-                              session_id=session_id,
-                              persistent=persistent)
-
-        if config._impl_name in [child._impl_name for child in self._impl_children]:  # pragma: no cover
+        if session_id in [child._impl_name for child in self._impl_children]:  # pragma: no cover
             raise ConflictError(_('config name must be uniq in '
-                                  'groupconfig for {0}').format(config._impl_name))
+                                  'groupconfig for {0}').format(session_id))
+        if type_ == 'config':
+            config = KernelConfig(self._impl_descr,
+                                  session_id=session_id,
+                                  persistent=persistent)
+        elif type_ == 'metaconfig':
+            config = KernelMetaConfig([],
+                                      optiondescription=self._impl_descr,
+                                      session_id=session_id,
+                                      persistent=persistent)
+        else:
+            raise ConfigError(_('unknown type {}').format(type_))
         # Copy context properties/permissives
         config.cfgimpl_get_settings().set_context_properties(self.cfgimpl_get_settings().get_context_properties(), config)
         config.cfgimpl_get_settings().set_context_permissives(self.cfgimpl_get_settings().get_context_permissives())