diff --git a/SAS/TMSS/frontend/tmss_webapp/src/authenticate/permission.stack.handler.js b/SAS/TMSS/frontend/tmss_webapp/src/authenticate/permission.stack.handler.js
index 9782e964be9d2cc4ba1658b8227c3ed49096f69b..58c8fd3725bdd47fec3a2b67dcd83c452e08a59c 100644
--- a/SAS/TMSS/frontend/tmss_webapp/src/authenticate/permission.stack.handler.js
+++ b/SAS/TMSS/frontend/tmss_webapp/src/authenticate/permission.stack.handler.js
@@ -79,7 +79,7 @@ const PermissionStackUtil = {
                     let postAccess = _.includes(allowedPermission, 'POST');
                     let createAccess = _.includes(permissionStack['observationStrategy'], "create_scheduling_unit")
                     permissionStack['scheduleunit'] ={
-                        create: createAccess, edit: patchAccess, delete: deleteAccess, list: getAccesss,
+                        create: createAccess, edit: putAccesss, delete: deleteAccess, list: getAccesss,
                         createsub: putAccesss, autodeletion:patchAccess, copysu:putAccesss, excelview:getAccesss,
                         cleanuptask:true, cancelsu:true, viewworkflow:true, create_rerun: true, update_sub: true };
                     permissionStack[module] = {