diff --git a/addons/stock/report/report_stock_rule.py b/addons/stock/report/report_stock_rule.py
index 003a152e918..76b73f16999 100644
--- a/addons/stock/report/report_stock_rule.py
+++ b/addons/stock/report/report_stock_rule.py
@@ -11,6 +11,10 @@ class ReportStockRule(models.AbstractModel):
 
     @api.model
     def _get_report_values(self, docids, data=None):
+        # Overriding data values here since used also in _get_routes.
+        data['product_id'] = data.get('product_id', docids)
+        data['warehouse_ids'] = data.get('warehouse_ids', [])
+
         product = self.env['product.product'].browse(data['product_id'])
         warehouses = self.env['stock.warehouse'].browse(data['warehouse_ids'])