diff --git a/src/device_controller/abstract_component/device_controller.py b/src/device_controller/abstract_component/device_controller.py
index d34a0b5..44d10ff 100755
--- a/src/device_controller/abstract_component/device_controller.py
+++ b/src/device_controller/abstract_component/device_controller.py
@@ -134,7 +134,6 @@ class DeviceCmd:
         cmd_name = self.full_name[self.full_name.find('.')+1:]
         return cmd_name.startswith('do_') or cmd_name.startswith('get_') or cmd_name.startswith('set_')
 
-
     '''
     @classmethod
     def is_generic_cmd_name(cls, cmd_name:str):
@@ -340,11 +339,24 @@ class Gen2NatCmds:
     '''
     def add_cmd(self, cmd:Cmd): 
         self.GEN2NAT_CMDS[cmd.generic_name] = cmd
-    def add_cmds(self, *cmds): 
-        if isinstance(cmds[0], str):
-            self.GEN2NAT_CMDS[cmds[0]] = { cmd.generic_name:cmd for cmd in cmds[1] }
+    def add_cmds(self, *cmds):
+        # add a dict 
+        if isinstance(cmds[0], dict):
+            self.GEN2NAT_CMDS.update(cmds[0])
+        # add a list
         elif isinstance(cmds[0], list):
             for cmd in cmds[0]: self.add_cmd(cmd)
+        elif isinstance(cmds[0], str):
+            if len(cmds) == 1: raise Exception("Missing second arg (list or dict)")
+            # add a key:dict
+            if isinstance(cmds[1], dict):
+                self.GEN2NAT_CMDS[cmds[0]] = cmds[1]
+            # add a key:list
+            elif isinstance(cmds[1], list):
+                self.GEN2NAT_CMDS[cmds[0]] = { cmd.generic_name:cmd for cmd in cmds[1] }
+            else:
+                raise Exception("Second arg should be a list or a dict")
+        # add a list of cmd (cmd1, cmd2, cmd3, ...)
         elif isinstance(cmds[0], Cmd):
             for cmd in cmds: self.add_cmd(cmd)
         else:
diff --git a/src/device_controller/concrete_component/gemini/gemini_controller.py b/src/device_controller/concrete_component/gemini/gemini_controller.py
index 5a767fb..eb0c208 100755
--- a/src/device_controller/concrete_component/gemini/gemini_controller.py
+++ b/src/device_controller/concrete_component/gemini/gemini_controller.py
@@ -384,9 +384,8 @@ class DC_Gemini(DeviceController):
         get_time,
         set_time,
     ]
+    GEN2NAT_CMDS_GENERAL_obj = Gen2NatCmds(GEN2NAT_CMDS_GENERAL_obj).get_as_dict()
 
-    my_cmds = Gen2NatCmds()
-    my_cmds.add_cmds(GEN2NAT_CMDS_GENERAL_obj)
     '''
     my_cmds.add_cmds(
         get_ack,
@@ -412,7 +411,7 @@ class DC_Gemini(DeviceController):
         'get_time': ['GL', '10:20:36'],
         'set_time': ['SL'],
     }
-    GEN2NAT_CMDS_GENERAL = GEN2NAT_CMDS_GENERAL_dict
+    #GEN2NAT_CMDS_GENERAL = GEN2NAT_CMDS_GENERAL_dict
 
 
     # RA-DEC (p109-110)
@@ -523,7 +522,8 @@ class DC_Gemini(DeviceController):
         Cmd('do_moveeast', 'Me'),
         Cmd('do_stop', 'Q'),
     ]
-    my_cmds.add_cmds('DC_Mount', GEN2NAT_CMDS_MOUNT_obj)
+    GEN2NAT_CMDS_MOUNT_obj = Gen2NatCmds(GEN2NAT_CMDS_MOUNT_obj).get_as_dict()
+
 
     GEN2NAT_CMDS_MOUNT_dict = {
 
@@ -575,14 +575,15 @@ class DC_Gemini(DeviceController):
     }
 
     GEN2NAT_CMDS_MOUNT = GEN2NAT_CMDS_MOUNT_dict
-    GEN2NAT_CMDS_MOUNT = Gen2NatCmds(GEN2NAT_CMDS_MOUNT_obj).get_as_dict()
+    GEN2NAT_CMDS_MOUNT = GEN2NAT_CMDS_MOUNT_obj
+
 
     GEN2NAT_CMDS_dict = {
         # My GENERAL commands
-        **GEN2NAT_CMDS_GENERAL,
+        **GEN2NAT_CMDS_GENERAL_dict,
 
         # SPECIFIC commands for my DCCs
-        'DC_Mount' : GEN2NAT_CMDS_MOUNT
+        'DC_Mount' : GEN2NAT_CMDS_MOUNT_dict
     }
     '''
     GEN2NAT_CMDS_obj = [
@@ -593,8 +594,12 @@ class DC_Gemini(DeviceController):
         GEN2NAT_CMDS_MOUNT_obj
     ]
     '''
+    GEN2NAT_CMDS_obj = Gen2NatCmds()
+    GEN2NAT_CMDS_obj.add_cmds(GEN2NAT_CMDS_GENERAL_obj)
+    GEN2NAT_CMDS_obj.add_cmds('DC_Mount', GEN2NAT_CMDS_MOUNT_obj)
+
     GEN2NAT_CMDS = GEN2NAT_CMDS_dict
-    GEN2NAT_CMDS = my_cmds.get_as_dict()
+    GEN2NAT_CMDS = GEN2NAT_CMDS_obj.get_as_dict()
 
     # Utilisation, affichage
     #mes_commandes.add_cmd(get_ack)
--
libgit2 0.21.2