diff --git a/addons/mrp/report/mrp_report_bom_structure.py b/addons/mrp/report/mrp_report_bom_structure.py
index fb5e0f05aad..615c8f50d94 100644
--- a/addons/mrp/report/mrp_report_bom_structure.py
+++ b/addons/mrp/report/mrp_report_bom_structure.py
@@ -380,7 +380,7 @@ class ReportBomStructure(models.AbstractModel):
     @api.model
     def _get_quantities_info(self, product, bom_uom, product_info, parent_bom=False, parent_product=False):
         return {
-            'free_qty': product.uom_id._compute_quantity(product.free_qty, bom_uom) if product.detailed_type == 'product' else False,
+            'free_qty': max(product.uom_id._compute_quantity(product.free_qty, bom_uom), 0) if product.detailed_type == 'product' else False,
             'on_hand_qty': product.uom_id._compute_quantity(product.qty_available, bom_uom) if product.detailed_type == 'product' else False,
             'stock_loc': 'in_stock',
         }
diff --git a/addons/mrp/static/src/components/bom_overview/mrp_bom_overview.js b/addons/mrp/static/src/components/bom_overview/mrp_bom_overview.js
index fd534f8d12a..87e0c3b024f 100644
--- a/addons/mrp/static/src/components/bom_overview/mrp_bom_overview.js
+++ b/addons/mrp/static/src/components/bom_overview/mrp_bom_overview.js
@@ -21,7 +21,7 @@ export class BomOverviewComponent extends Component {
         this.state = useState({
             showOptions: {
                 uom: false,
-                availabilities: false || this.props.action.context.activate_availabilities,
+                availabilities: false || Boolean(this.props.action.context.activate_availabilities),
                 costs: true,
                 operations: true,
                 leadTimes: true,