diff --git a/lib/classes/plugin_manager.php b/lib/classes/plugin_manager.php
index 86b2751f379..72be1712cc9 100644
--- a/lib/classes/plugin_manager.php
+++ b/lib/classes/plugin_manager.php
@@ -1914,7 +1914,7 @@ class core_plugin_manager {
 
             'mod' => array(
                 'assign', 'assignment', 'book', 'chat', 'choice', 'data', 'feedback', 'folder',
-                'forum', 'glossary', 'imscp', 'label', 'lesson', 'lti', 'page',
+                'forum', 'glossary', 'h5pactivity', 'imscp', 'label', 'lesson', 'lti', 'page',
                 'quiz', 'resource', 'scorm', 'survey', 'url', 'wiki', 'workshop'
             ),