diff --git a/addons/stock/views/stock_quant_views.xml b/addons/stock/views/stock_quant_views.xml
index 402a1398fc1..1645b5b0f0e 100644
--- a/addons/stock/views/stock_quant_views.xml
+++ b/addons/stock/views/stock_quant_views.xml
@@ -129,7 +129,7 @@
                 <field name="product_id" attrs="{'readonly': [('id', '!=', False)]}"
                        readonly="context.get('single_product', False)" force_save="1"
                        options="{'no_create': True}"/>
-                <field name="product_categ_id" optional="show"/>
+                <field name="product_categ_id" optional="hide"/>
                 <field name="location_id" attrs="{'readonly': [('id', '!=', False)]}"
                        invisible="context.get('hide_location', False)"
                        options="{'no_create': True}"/>