diff --git a/openerp/addons/base/rng/view.rng b/openerp/addons/base/rng/view.rng
index 5dce238db5d..c058795e0f0 100644
--- a/openerp/addons/base/rng/view.rng
+++ b/openerp/addons/base/rng/view.rng
@@ -222,6 +222,7 @@
             <rng:ref name="overload"/>
             <rng:optional><rng:attribute name="string"/></rng:optional>
             <rng:optional><rng:attribute name="colors"/></rng:optional>
+            <rng:optional><rng:attribute name="fontbold"/></rng:optional>
             <rng:optional>
               <rng:attribute name="editable">
                 <rng:choice>