diff --git a/koha-tmpl/opac-tmpl/prog/en/includes/opac-authorities.inc b/koha-tmpl/opac-tmpl/prog/en/includes/opac-authorities.inc
index 1a967887b4..0cb0efef3f 100644
--- a/koha-tmpl/opac-tmpl/prog/en/includes/opac-authorities.inc
+++ b/koha-tmpl/opac-tmpl/prog/en/includes/opac-authorities.inc
@@ -50,7 +50,7 @@
 [% END %]
 [% BLOCK authheadingdisplay %]
     [% IF authid %]<a href="/cgi-bin/koha/opac-authoritiesdetail.pl?authid=[% authid %]">[% heading %]</a>
-    [% ELSIF search %]<a href="/cgi-bin/koha/opac-authorities-home.pl?op=do_search&type=opac&operator=contains&marclist=mainentry&and_ora=and&orderby=HeadingAsc&value=[% search %]">[% heading %]</a>
+    [% ELSIF search %]<a href="/cgi-bin/koha/opac-authorities-home.pl?op=do_search&type=opac&operator=contains&marclist=mainentry&and_or=and&orderby=HeadingAsc&value=[% search %]">[% heading %]</a>
     [% ELSE %][% heading %]
     [% END %]
 [% END %]
diff --git a/koha-tmpl/opac-tmpl/prog/en/modules/opac-authorities-home.tt b/koha-tmpl/opac-tmpl/prog/en/modules/opac-authorities-home.tt
index 93f27b9925..e0bf5a9c5f 100644
--- a/koha-tmpl/opac-tmpl/prog/en/modules/opac-authorities-home.tt
+++ b/koha-tmpl/opac-tmpl/prog/en/modules/opac-authorities-home.tt
@@ -33,7 +33,7 @@
                     <option value="match">in any heading</option>
                     <option value="mainentry">in main entry</option>
                 </select>
-                <input type="hidden" name="and_ora" value="and" />
+                <input type="hidden" name="and_or" value="and" />
                 <input type="hidden" name="excluding" value="" />
             </li>
             <li><label for="orderby">Order by: </label><select name="orderby" id="orderby">