diff --git a/antarest/study/storage/variantstudy/variant_study_service.py b/antarest/study/storage/variantstudy/variant_study_service.py
index c32119c56f..50a96cd1f5 100644
--- a/antarest/study/storage/variantstudy/variant_study_service.py
+++ b/antarest/study/storage/variantstudy/variant_study_service.py
@@ -846,7 +846,7 @@ def _generate(
                 export_study_flat(
                     snapshot_path,
                     dst_path,
-                    parent_study,
+                    self.study_factory,
                     outputs=False,
                     output_src_path=output_src_path,
                 )
@@ -858,7 +858,7 @@ def _generate(
                     export_study_flat(
                         path_study=path_study,
                         dest=dst_path,
-                        study_factory=parent_study,
+                        study_factory=self.study_factory,
                         outputs=False,
                     )
                 finally: