diff --git a/course/format/social/format.php b/course/format/social/format.php
index b661c225576..f154a05c649 100644
--- a/course/format/social/format.php
+++ b/course/format/social/format.php
@@ -2,6 +2,8 @@
       // format.php - course format featuring social forum
       //              included from view.php
 
+    require_once($CFG->dirroot.'/mod/forum/lib.php');
+
     $strgroups  = get_string('groups');
     $strgroupmy = get_string('groupmy');
     $editing    = $PAGE->user_is_editing();
diff --git a/course/view.php b/course/view.php
index 467c39028cf..f7f925dc844 100644
--- a/course/view.php
+++ b/course/view.php
@@ -4,7 +4,6 @@
 
     require_once('../config.php');
     require_once('lib.php');
-    require_once($CFG->dirroot.'/mod/forum/lib.php');
     require_once($CFG->libdir.'/conditionlib.php');
     require_once($CFG->libdir.'/completionlib.php');