diff --git a/rentals/models.py b/rentals/models.py
index 42668bb..252b8f9 100644
--- a/rentals/models.py
+++ b/rentals/models.py
@@ -74,7 +74,7 @@ class LockerRental(models.Model):
     def address(self) -> str:
         letter = self.locker_unit.letter_for_column(self.column)
         number = self.locker_unit.number_for_locker(self.column, self.row)
-        return f"{self.locker_unit}-{letter}{number}"
+        return f"{letter}{number}"
 
     def __str__(self):
-        return f"{self.user}: {self.address}"
+        return f"{self.user}: {self.locker_unit}-{self.address}"