diff --git a/mod/glossary/tabs.php b/mod/glossary/tabs.php
index 1d8a7a572cf..fb220607191 100644
--- a/mod/glossary/tabs.php
+++ b/mod/glossary/tabs.php
@@ -68,3 +68,4 @@ defined('MOODLE_INTERNAL') || die;
         break;
     }
     echo html_writer::empty_tag('hr');
+    echo html_writer::end_div();