diff --git a/backup/restore_check.html b/backup/restore_check.html
index e93aedc8dec..c8cef58f7d8 100644
--- a/backup/restore_check.html
+++ b/backup/restore_check.html
@@ -239,7 +239,7 @@
                 } else {
                     $optdimmed = '';
                 }
-                echo "<a $optdimmed href=\"restore.php?course_id=$course->id&launch=check&id=$id&file=$file\">".format_string($course->fullname).' ('.format_string($course->shortname).')</a><br />'."\n";
+                echo "<a $optdimmed href=\"restore.php?course_id=$course->id&amp;launch=check&amp;id=$id&amp;file=$file\">".format_string($course->fullname).' ('.format_string($course->shortname).')</a><br />'."\n";
             }
             print_simple_box_end();
         } else {