diff --git a/Resources/translations/messages.es.xlf b/Resources/translations/messages.es.xlf
index 667f4ddafd..afcc8bf217 100644
--- a/Resources/translations/messages.es.xlf
+++ b/Resources/translations/messages.es.xlf
@@ -35,6 +35,10 @@
                 <source>action.list</source>
                 <target>Volver al listado</target>
             </trans-unit>
+            <trans-unit id="form.label.empty_value">
+                <source>form.label.empty_value</source>
+                <target>Ninguno</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>