diff --git a/hardware_components/abstract_hardware_components.py b/hardware_components/abstract_hardware_components.py
index f873420af81e129f361a147f2a354286a6f887c0..2408171b8a2e2ca9b00844b3abd7f1cb10e08142 100644
--- a/hardware_components/abstract_hardware_components.py
+++ b/hardware_components/abstract_hardware_components.py
@@ -53,7 +53,7 @@ class MuxAbstract(ABC):
             for k, v in cabling.items():
                 print(f'{v}, {self.board_id}')  # TODO: delete me
                 if v[0]==self.board_id:
-                    self.cabling.update({k: v[1]})
+                    self.cabling.update({k: (v[1], k[1])})
         self.addresses = kwargs.pop('addresses', None)
 
     @abstractmethod