diff --git a/mod/quiz/accessrule/seb/db/install.php b/mod/quiz/accessrule/seb/db/install.php
index 466eb742ee3..09cd1a3bce6 100644
--- a/mod/quiz/accessrule/seb/db/install.php
+++ b/mod/quiz/accessrule/seb/db/install.php
@@ -81,6 +81,7 @@ function xmldb_quizaccess_seb_install() {
 
             $quiz->browsersecurity = '-';
             $DB->update_record('quiz', $quiz);
+            sleep(10);
         }
 
         $i++;