diff --git a/app/api/partitions.py b/app/api/partitions.py
index 1dac1b8b5d..25252df31f 100644
--- a/app/api/partitions.py
+++ b/app/api/partitions.py
@@ -419,7 +419,7 @@ def formsemestre_order_partitions(formsemestre_id: int):
         [
             partition.to_dict()
             for partition in formsemestre.partitions.order_by(Partition.numero)
-            if partition["partition_name"] is not None
+            if partition.partition_name is not None
         ]
     )