diff --git a/classes/studyplanservice.php b/classes/studyplanservice.php
index 0bbc11f..e42b431 100644
--- a/classes/studyplanservice.php
+++ b/classes/studyplanservice.php
@@ -1213,10 +1213,13 @@ class studyplanservice extends \external_api
             if(webservicehelper::has_capabilities("moodle/course:update",$coursecontext)){
                 // Actually perform the timing changes, while also updating the module times
                 // Like what happens on a course "reset"
-                $status = reset_course_userdata([
+                $status = reset_course_userdata((object)[
                     'id' => $course->id,
                     'reset_start_date' => $pstart->startdate()->getTimestamp(),
                     'reset_end_date' => $pend->enddate()->getTimestamp(),
+                    'reset_start_date_old' => $course->startdate,
+                    'reset_end_date_old' => $course->enddate,
+            
                 ]);
 
                 // TODO: parse status