diff --git a/mod/lesson/report.php b/mod/lesson/report.php
index 64c12a435cc..2149668a2d0 100644
--- a/mod/lesson/report.php
+++ b/mod/lesson/report.php
@@ -352,7 +352,7 @@ if ($action === 'delete') {
         } else {
             $table->data[] = array(get_string('didnotanswerquestion', 'lesson'), " ");
         }
-        echo html_writer::start_tag('div', array('class' => 'no-overflow'));
+        echo html_writer::start_tag('div', ['class' => 'no-overflow table-responsive']);
         echo html_writer::table($table);
         echo html_writer::end_tag('div');
     }