diff --git a/themes/default/order-opc-new-account.tpl b/themes/default/order-opc-new-account.tpl
index 0f8f2acbc..2f322bbb7 100644
--- a/themes/default/order-opc-new-account.tpl
+++ b/themes/default/order-opc-new-account.tpl
@@ -246,7 +246,7 @@
 				{/if}
 				{/foreach}
 				<p class="required text dni">
-					<label for="dni">{l s='Identification number'}</label>
+					<label for="dni">{l s='Identification number'} <sup>*</sup></label>
 					<input type="text" class="text" name="dni" id="dni" value="{if isset($guestInformations) && $guestInformations.dni}{$guestInformations.dni}{/if}" />
 					<span class="form_info">{l s='DNI / NIF / NIE'}</span>
 				</p>
@@ -304,7 +304,7 @@
 						</p>
 					</div>
 					<p class="required text dni_invoice">
-						<label for="dni">{l s='Identification number'}</label>
+						<label for="dni">{l s='Identification number'} <sup>*</sup></label>
 						<input type="text" class="text" name="dni_invoice" id="dni_invoice" value="{if isset($guestInformations) && $guestInformations.dni_invoice}{$guestInformations.dni_invoice}{/if}" />
 						<span class="form_info">{l s='DNI / NIF / NIE'}</span>
 					</p>