diff --git a/ohmpi/hardware_components/mb_2024_0_2.py b/ohmpi/hardware_components/mb_2024_0_2.py
index 9aa25e896b74a7576bb49fdfa169a4b7992c2739..c5ecf7afc0ad8188e6bb80b9c050effc4240371d 100644
--- a/ohmpi/hardware_components/mb_2024_0_2.py
+++ b/ohmpi/hardware_components/mb_2024_0_2.py
@@ -129,11 +129,11 @@ class Tx(Tx_mb_2023):
             self.exec_logger.debug(f'Switching DPS off')
             self._pwr_state = 'off'
 
-    @property
+    @Tx_mb_2023.property
     def polarity(self):
         return self._polarity
 
-    @polarity.setter
+    @Tx_mb_2023.polarity.setter
     def polarity(self, polarity):
         assert polarity in [-1, 0, 1]
         self._polarity = polarity