diff --git a/lib.php b/lib.php
index 4d780a3..2376047 100644
--- a/lib.php
+++ b/lib.php
@@ -364,7 +364,7 @@ function subcourse_get_coursemodule_info($coursemodule) {
     global $CFG, $DB;
 
     $subcourse = $DB->get_record('subcourse', ['id' => $coursemodule->instance],
-        'id, name, intro, introformat, instantredirect, blankwindow, coursepageprintgrade, coursepageprintprogress');
+        'id, name, intro, introformat, instantredirect, blankwindow, coursepageprintgrade, coursepageprintprogress, completioncourse');
 
     if (!$subcourse) {
         return null;
@@ -387,6 +387,12 @@ function subcourse_get_coursemodule_info($coursemodule) {
         $info->content = format_module_intro('subcourse', $subcourse, $coursemodule->id, false);
     }
 
+    // Populate the custom completion rules as key => value pairs, but only if the completion mode is 'automatic'.
+    if ($coursemodule->completion == COMPLETION_TRACKING_AUTOMATIC) {
+        $info->customdata->customcompletionrules['completioncourse'] = $subcourse->completioncourse;
+    }
+
+
     return $info;
 }