diff --git a/airflow-core/src/airflow/assets/manager.py b/airflow-core/src/airflow/assets/manager.py
index 74f5ef131741e..b41013664e0d5 100644
--- a/airflow-core/src/airflow/assets/manager.py
+++ b/airflow-core/src/airflow/assets/manager.py
@@ -351,7 +351,7 @@ def _get_or_create_apdr(
         target_dag: SerializedDagModel,
         session: Session,
     ) -> AssetPartitionDagRun:
-        latest_apdr: AssetPartitionDagRun = session.scalar(
+        latest_apdr: AssetPartitionDagRun | None = session.scalar(
             select(AssetPartitionDagRun)
             .where(
                 AssetPartitionDagRun.partition_key == target_key,