diff --git a/addons/product/views/product_attribute_views.xml b/addons/product/views/product_attribute_views.xml
index 7c190965243..ae65acf66bd 100644
--- a/addons/product/views/product_attribute_views.xml
+++ b/addons/product/views/product_attribute_views.xml
@@ -96,7 +96,7 @@
                 <field name="display_type" optional="hide"/>
                 <field name="html_color" attrs="{'invisible': [('display_type', '!=', 'color')]}" widget="color"/>
                 <field name="ptav_active" optional="hide"/>
-                <field name="price_extra" widget="monetary"/>
+                <field name="price_extra" widget="monetary" options="{'field_digits': True}"/>
                 <field name="currency_id" invisible="1"/>
             </tree>
         </field>
@@ -114,7 +114,7 @@
                         <field name="name"/>
                         <field name="display_type" invisible="1"/>
                         <field name="html_color" attrs="{'invisible': [('display_type', '!=', 'color')]}"/>
-                        <field name="price_extra" widget="monetary"/>
+                        <field name="price_extra" widget="monetary" options="{'field_digits': True}"/>
                         <field name="currency_id" invisible="1"/>
                         <field name="exclude_for" widget="one2many" mode="tree">
                             <tree editable="bottom">