diff --git a/backup/backuplib.php b/backup/backuplib.php
index b5bee741491..371d16bf58e 100644
--- a/backup/backuplib.php
+++ b/backup/backuplib.php
@@ -1726,7 +1726,7 @@
         }
 
         if ($result != $content && $CFG->debug>7) {                                  //Debug
-            echo '<br /><hr />'.htmlentities($content).'<br />changed to<br />'.htmlentities($result).'<hr /><br />';        //Debug
+            echo '<br /><hr />'.s($content).'<br />changed to<br />'.s($result).'<hr /><br />';        //Debug
         }                                                                            //Debug
 
         return $result;
diff --git a/backup/restorelib.php b/backup/restorelib.php
index 5d29e22981c..ecc924e5f42 100644
--- a/backup/restorelib.php
+++ b/backup/restorelib.php
@@ -2261,7 +2261,7 @@
 
         if ($result != $content && $CFG->debug>7) {                                  //Debug
             if (!defined('RESTORE_SILENTLY')) {
-                echo '<br /><hr />'.htmlentities($content).'<br />changed to<br />'.htmlentities($result).'<hr /><br />';        //Debug
+                echo '<br /><hr />'.s($content).'<br />changed to<br />'.s($result).'<hr /><br />';        //Debug
             }
         }                                                                            //Debug