diff --git a/backup/import.php b/backup/import.php
index 7a320573dcbac..cb55749ea049a 100644
--- a/backup/import.php
+++ b/backup/import.php
@@ -176,7 +176,7 @@
     // Display a notification and a continue button
     if ($warnings) {
         echo $OUTPUT->box_start();
-        echo $OUTPUT->notification(get_string('warning'), 'notifywarning');
+        echo $OUTPUT->notification(get_string('warning'), 'notifyproblem');
         echo html_writer::start_tag('ul', array('class'=>'list'));
         foreach ($warnings as $warning) {
             echo html_writer::tag('li', $warning);
diff --git a/backup/util/ui/renderer.php b/backup/util/ui/renderer.php
index f83190867cb35..abe6842a4501b 100644
--- a/backup/util/ui/renderer.php
+++ b/backup/util/ui/renderer.php
@@ -410,7 +410,7 @@ public function precheck_notices($results) {
         }
         if (array_key_exists('warnings', $results)) {
             foreach ($results['warnings'] as $warning) {
-                $output .= $this->output->notification($warning, 'notifywarning notifyproblem');
+                $output .= $this->output->notification($warning, 'notifyproblem');
             }
         }
         return $output.html_writer::end_tag('div');