diff --git a/AKModel/models.py b/AKModel/models.py
index b371953669e9e5d594132dbe351d44d4c6f28d7d..dcb1d45775e341c91553578885f32801042f3081 100644
--- a/AKModel/models.py
+++ b/AKModel/models.py
@@ -264,7 +264,7 @@ class AK(models.Model):
 
     @property
     def durations_list(self):
-        return ", ".join(str(slot.duration) for slot in self.akslot_set.all())
+        return ", ".join(str(slot.duration_simplified) for slot in self.akslot_set.all())
 
     @property
     def tags_list(self):