diff --git a/mod/quiz/tests/event/events_test.php b/mod/quiz/tests/event/events_test.php
index 3c225916e05..5229e87b96b 100644
--- a/mod/quiz/tests/event/events_test.php
+++ b/mod/quiz/tests/event/events_test.php
@@ -27,6 +27,7 @@ namespace mod_quiz\event;
 
 use quiz;
 use quiz_attempt;
+use context_module;
 
 defined('MOODLE_INTERNAL') || die();