diff --git a/addons/product/product_data.xml b/addons/product/product_data.xml
index 962f8aca560..83b36a1e130 100644
--- a/addons/product/product_data.xml
+++ b/addons/product/product_data.xml
@@ -158,7 +158,7 @@ parameter) will see those record just disappear.
         </record>
         <record forcecreate="True" id="decimal_product_uom" model="decimal.precision">
             <field name="name">Product UoM</field>
-            <field name="digits" eval="6"/>
+            <field name="digits" eval="3"/>
         </record>
     </data>
 </openerp>