diff --git a/tangostationcontrol/tangostationcontrol/devices/antennafield.py b/tangostationcontrol/tangostationcontrol/devices/antennafield.py
index 197589b7d6e4be1364d42874b9a91b0a5b096edf..d65680436e050b377126b4d15fe3ea702dbc840a 100644
--- a/tangostationcontrol/tangostationcontrol/devices/antennafield.py
+++ b/tangostationcontrol/tangostationcontrol/devices/antennafield.py
@@ -220,7 +220,7 @@ class HBATToRecvMapper(object):
     def _mapped_rw_values(self, set_values, default_values):
         mapped_values = []
 
-        for i in range(self.__number_of_receivers):
+        for _ in range(self.__number_of_receivers):
             mapped_values.append(default_values)
 
         for idx, mapping in enumerate(self.__control_mapping):