diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/acquisitions-add-to-basket.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/acquisitions-add-to-basket.inc
index 8e2961b6df..45b4e4543c 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/acquisitions-add-to-basket.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/acquisitions-add-to-basket.inc
@@ -5,7 +5,7 @@
         <li>
           <form action="/cgi-bin/koha/acqui/neworderbiblio.pl" method="post">
             <label>From an existing record:
-                <input type="text"  size="25" name="q" />
+                <input type="text"  size="25" name="q" required="required"/>
             </label>
             <input type="hidden" name="booksellerid" value="[% booksellerid %]" />
             <input type="hidden" name="basketno" value="[% basketno %]" />