diff --git a/course/tests/courselib_test.php b/course/tests/courselib_test.php
index 0004f7d70cf48..87fa03dc19b67 100644
--- a/course/tests/courselib_test.php
+++ b/course/tests/courselib_test.php
@@ -70,7 +70,7 @@ public function test_reorder_sections() {
         $course = $this->getDataGenerator()->create_course(array('numsections'=>10), array('createsections'=>true));
         $oldsections = array();
         $sections = array();
-        foreach ($DB->get_records('course_sections', array('course'=>$course->id)) as $section) {
+        foreach ($DB->get_records('course_sections', array('course'=>$course->id), 'id') as $section) {
             $oldsections[$section->section] = $section->id;
             $sections[$section->id] = $section->section;
         }