diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/includes/opac-bottom.inc b/koha-tmpl/opac-tmpl/bootstrap/en/includes/opac-bottom.inc
index 238ef97573..1d350ea77d 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/includes/opac-bottom.inc
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/includes/opac-bottom.inc
@@ -38,7 +38,7 @@
                     <div class="navbar-inner">
                         <ul id="i18nMenu" class="nav">
                             <li><p class="lang navbar-text"><strong>Languages:&nbsp;</strong></p></li>
-                            [% FOREACH languages_loo IN languages_loop %]
+                            [% FOREACH languages_loo IN languages_loop.sort('rfc4646_subtag') %]
                                 [% IF ( languages_loo.group_enabled ) %]
                                     [% IF ( languages_loo.plural ) %]
                                         <li class="dropdown">