diff --git a/addons/mrp_subcontracting/report/mrp_report_bom_structure.py b/addons/mrp_subcontracting/report/mrp_report_bom_structure.py
index e048d2c562e..6072998f322 100644
--- a/addons/mrp_subcontracting/report/mrp_report_bom_structure.py
+++ b/addons/mrp_subcontracting/report/mrp_report_bom_structure.py
@@ -88,6 +88,7 @@ class ReportBomStructure(models.AbstractModel):
 
     @api.model
     def _get_quantities_info(self, product, bom_uom, product_info, parent_bom=False, parent_product=False):
+        quantities_info = super()._get_quantities_info(product, bom_uom, product_info, parent_product)
         if parent_product and parent_bom and parent_bom.type == 'subcontract' and product.type == 'product':
             route_info = product_info.get(parent_product.id, {}).get(parent_bom.id, {})
             if route_info and route_info['route_type'] == 'subcontract':
@@ -97,13 +98,11 @@ class ReportBomStructure(models.AbstractModel):
                 stock_loc = f"subcontract_{subcontracting_loc.id}"
                 if not product_info[product.id]['consumptions'].get(stock_loc, False):
                     product_info[product.id]['consumptions'][stock_loc] = 0
-                return {
-                    'free_qty': product.uom_id._compute_quantity(subloc_product.free_qty, bom_uom),
-                    'on_hand_qty': product.uom_id._compute_quantity(subloc_product.qty_available, bom_uom),
-                    'stock_loc': stock_loc,
-                }
+                quantities_info['free_qty'] += product.uom_id._compute_quantity(subloc_product.free_qty, bom_uom)
+                quantities_info['on_hand_qty'] += product.uom_id._compute_quantity(subloc_product.qty_available, bom_uom)
+                quantities_info['stock_loc'] = stock_loc
 
-        return super()._get_quantities_info(product, bom_uom, product_info, parent_product)
+        return quantities_info
 
     @api.model
     def _get_resupply_availability(self, route_info, components):