diff --git a/mod/lesson/essay.php b/mod/lesson/essay.php
index 0e65bbe79b2..a0a611c466a 100644
--- a/mod/lesson/essay.php
+++ b/mod/lesson/essay.php
@@ -46,7 +46,7 @@ if ($mode !== 'display') {
 }
 $PAGE->set_url($url);
 
-$attempt = new stdClass();	
+$attempt = new stdClass();
 $user = new stdClass();
 $attemptid = optional_param('attemptid', 0, PARAM_INT);