diff --git a/mod/forum/lang/en/forum.php b/mod/forum/lang/en/forum.php
index 98af38c6535..812a36f1a68 100644
--- a/mod/forum/lang/en/forum.php
+++ b/mod/forum/lang/en/forum.php
@@ -675,6 +675,8 @@ $string['smallmessage'] = '{$a->user} posted in {$a->forumname}';
 $string['smallmessagedigest'] = 'Forum digest containing {$a} messages';
 $string['startedby'] = 'Started by';
 $string['subject'] = 'Subject';
+$string['subplugintype_forumreport'] = 'Forum report';
+$string['subplugintype_forumreport_plural'] = 'Forum reports';
 $string['subscribe'] = 'Subscribe to forum';
 $string['subscribediscussion'] = 'Subscribe to this discussion';
 $string['subscribeall'] = 'Subscribe everyone to this forum';