diff --git a/backup/backup_scheduled.php b/backup/backup_scheduled.php
index 87ab3a1..a3ce24c 100644
--- a/backup/backup_scheduled.php
+++ b/backup/backup_scheduled.php
@@ -507,7 +507,21 @@ function schedule_backup_course_configure($course,$starttime = 0) {
                         //Call the check function to show more info
                         $modcheckbackup = $modname."_check_backup_mods";
                         schedule_backup_log($starttime,$course->id,"      $modname");
-                        $modcheckbackup($course->id,$$var,$backup_unique_code);
+                        
+                        // Make sure this module exists in preferences before trying to access its instances
+                        if(isset($preferences->mods[$modname])) {
+                            $instances = $preferences->mods[$modname]->instances;
+                        }
+
+                        // Take the ID from the key of all the instances and make the ID a property of the instance object
+                        // This makes the instance object properties similar to the format used in manual backup
+                        if(isset($instances)) {
+                            foreach ($instances as $id => $instance) {
+                                $instance->id = $id;
+                            }
+                        }
+
+                        $modcheckbackup($course->id,$$var,$backup_unique_code, $instances);
                     }
                 }
             }