diff --git a/test/test_metaconfig.py b/test/test_metaconfig.py
index c23ea60..40e48b4 100644
--- a/test/test_metaconfig.py
+++ b/test/test_metaconfig.py
@@ -199,8 +199,8 @@ def test_meta_meta_set():
     errors2 = meta.value.set('od1.i6', 7, only_config=True)
     assert len(errors1) == 0
     assert len(errors2) == 2
-    conf1 = meta.config('meta.conf1')._config.context
-    conf2 = meta.config('meta.conf2')._config.context
+    conf1 = meta.config('meta.conf1')._config
+    conf2 = meta.config('meta.conf2')._config
     assert meta.config('meta.conf1').option('od1.i1').value.get() == meta.config('meta.conf2').option('od1.i1').value.get() == 7
     #
     dconfigs = []
@@ -577,6 +577,8 @@ def test_meta_properties_meta():
     od = OptionDescription('root', '', [interface1])
     conf1 = Config(od, session_id='conf1')
     conf2 = Config(od, session_id='conf2')
+    conf1.property.read_write()
+    conf2.property.read_write()
     meta = MetaConfig([conf1, conf2])
     meta.property.read_write()
     assert meta.config('conf1').config.dict() == {}
@@ -696,6 +698,8 @@ def test_meta_properties_meta_copy():
     interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
     conf1 = Config(interface1, session_id='conf1')
     conf2 = Config(interface1, session_id='conf2')
+    conf1.property.read_write()
+    conf2.property.read_write()
     meta = MetaConfig([conf1, conf2])
     meta.property.read_write()
 
@@ -723,6 +727,8 @@ def test_meta_properties_meta_deepcopy():
     interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
     conf1 = Config(interface1, session_id='conf1')
     conf2 = Config(interface1, session_id='conf2')
+    conf1.property.read_write()
+    conf2.property.read_write()
     meta = MetaConfig([conf1, conf2])
     meta.permissive.set(frozenset({'hidden'}))
     meta.property.read_write()
@@ -750,6 +756,8 @@ def test_meta_properties_meta_set_value():
     interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
     conf1 = Config(interface1, session_id='conf1')
     conf2 = Config(interface1, session_id='conf2')
+    conf1.property.read_write()
+    conf2.property.read_write()
     meta = MetaConfig([conf1, conf2])
     meta.property.read_write()
     assert meta.config('conf1').config.dict() == {'ip_admin_eth0': ['192.168.1.1']}
diff --git a/tiramisu/api.py b/tiramisu/api.py
index e53b36a..597f361 100644
--- a/tiramisu/api.py
+++ b/tiramisu/api.py
@@ -1019,14 +1019,12 @@ class TiramisuDispatcherConfig(TiramisuDispatcher, TiramisuContextConfig):
                  path: Optional[str]):
         """select a child Tiramisu configuration (only with MetaConfig or GroupConfig)"""
         if path is None:
-            return TiramisuAPI(self.config_bag)
+            return Config(self.config_bag)
         spaths = path.split('.')
         config = self.config_bag.context
         for spath in spaths:
             config = config.getconfig(spath)
-        config_bag = self.config_bag.copy()
-        config_bag.context = config
-        return TiramisuAPI(config_bag)
+        return Config(config)
 
 
 class TiramisuDispatcherOption(TiramisuDispatcher, TiramisuContextOption):
@@ -1050,7 +1048,7 @@ class Config(TiramisuAPI):
                  session_id: str=None,
                  persistent: bool=False,
                  storage=None) -> None:
-        if not isinstance(descr, KernelConfig):
+        if not isinstance(descr, (KernelConfig, KernelMetaConfig)):
             config = KernelConfig(descr,
                                   session_id=session_id,
                                   persistent=persistent,