diff --git a/dcs5/controller.py b/dcs5/controller.py
index fcd7307..6d2c9c7 100644
--- a/dcs5/controller.py
+++ b/dcs5/controller.py
@@ -708,7 +708,7 @@ def stop_marel_listening(self):
 
     def marel_get_weight(self):
         if self.marel is not None:
-            weight = self.marel.get_weight()
+            weight = self.marel.get_weight(self.marel.units)
             if self.marel.weight is not None:
                 self.to_keyboard(weight)
                 if self.auto_enter is True: