diff --git a/src/common/tools/descriptor/Loader.py b/src/common/tools/descriptor/Loader.py
index f60b87bc63a02c1f88275a2f1db26d3adad93a36..2fcc5b63a66ae3c3e96ab774d34958a110f0454a 100644
--- a/src/common/tools/descriptor/Loader.py
+++ b/src/common/tools/descriptor/Loader.py
@@ -306,13 +306,14 @@ class DescriptorLoader:
 
     def _load_dummy_mode(self) -> None:
         # Dummy Mode: used to pre-load databases (WebUI debugging purposes) with no smart or automated tasks.
+
         controllers, network_devices = split_controllers_and_network_devices(self.__devices)
+
         self.__ctx_cli.connect()
         self._process_descr('context',    'add',    self.__ctx_cli.SetContext,    Context,    self.__contexts_add  )
         self._process_descr('topology',   'add',    self.__ctx_cli.SetTopology,   Topology,   self.__topologies_add)
         self._process_descr('controller', 'add',    self.__ctx_cli.SetDevice,     Device,     controllers          )
         self._process_descr('device',     'add',    self.__ctx_cli.SetDevice,     Device,     network_devices      )
-        self._process_descr('device',     'add',    self.__ctx_cli.SetDevice,     Device,     self.__devices       )
         self._process_descr('link',       'add',    self.__ctx_cli.SetLink,       Link,       self.__links         )
         self._process_descr('service',    'add',    self.__ctx_cli.SetService,    Service,    self.__services      )
         self._process_descr('slice',      'add',    self.__ctx_cli.SetSlice,      Slice,      self.__slices        )