diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index e6d753e3201..83939ae05a9 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -1645,6 +1645,7 @@ WHERE gradeitemid IS NOT NULL AND grademax IS NOT NULL");
     /// 'until' date in an activity condition should have 1 second subtracted
     /// (to go from 0:00 on the following day to 23:59 on the previous one).
         $DB->execute('UPDATE {course_modules} SET availableuntil = availableuntil - 1 WHERE availableuntil <> 0');
+        rebuild_course_cache(0, true);
 
     /// Main savepoint reached
         upgrade_main_savepoint($result, 2009041700);