diff --git a/mod/quiz/tests/behat/behat_mod_quiz.php b/mod/quiz/tests/behat/behat_mod_quiz.php
index 5c2198b057b..850fe53a098 100644
--- a/mod/quiz/tests/behat/behat_mod_quiz.php
+++ b/mod/quiz/tests/behat/behat_mod_quiz.php
@@ -676,6 +676,10 @@ class behat_mod_quiz extends behat_question_base {
      * @param string $sectionheading the new heading to set.
      */
     public function i_set_the_section_heading_for($sectionname, $sectionheading) {
+        // Empty section headings will have a default names of "Untitled heading".
+        if (empty($sectionname)) {
+            $sectionname = get_string('sectionnoname', 'quiz');
+        }
         $this->execute('behat_general::click_link', $this->escape("Edit heading '{$sectionname}'"));
 
         $this->execute('behat_general::assert_page_contains_text', $this->escape(get_string('edittitleinstructions')));