diff --git a/wms_connector/models/attachment_synchronize_task.py b/wms_connector/models/attachment_synchronize_task.py
index 75470198e9..db252a943e 100644
--- a/wms_connector/models/attachment_synchronize_task.py
+++ b/wms_connector/models/attachment_synchronize_task.py
@@ -7,6 +7,8 @@
 class AttachmentSynchronizeTask(models.Model):
     _inherit = "attachment.synchronize.task"
 
+    default_warehouse_id = fields.Many2one("stock.warehouse")
+
     file_type = fields.Selection(
         selection_add=[
             ("export", "Export"),
@@ -15,3 +17,9 @@ class AttachmentSynchronizeTask(models.Model):
             ("wms_update_inventory", "Inventory update"),
         ]
     )
+
+    def _prepare_attachment_vals(self, data, filename):
+        self.ensure_one()
+        vals = super()._prepare_attachment_vals(data, filename)
+        vals["default_warehouse_id"] = self.default_warehouse_id.id
+        return vals
diff --git a/wms_connector/models/stock_warehouse.py b/wms_connector/models/stock_warehouse.py
index 16ebb232d6..e45d177c71 100644
--- a/wms_connector/models/stock_warehouse.py
+++ b/wms_connector/models/stock_warehouse.py
@@ -200,6 +200,7 @@ def _prepare_wms_task_vals(
             "filepath": filepath,
             "backend_id": self.env.ref("fs_storage.default_fs_storage").id,
             "file_type": filetype,
+            "default_warehouse_id": self.id,
         }
 
     def _prepare_wms_cron_vals(self, code="", name_fragment=""):