diff --git a/lib/plugin/autoDelay.js b/lib/plugin/autoDelay.js
index ccd4a7836..cdc046f8d 100644
--- a/lib/plugin/autoDelay.js
+++ b/lib/plugin/autoDelay.js
@@ -52,13 +52,13 @@ const defaultConfig = {
  *
  */
 module.exports = function (config) {
-  supportedHelpers.push('REST')
+  const affectedHelpers = [...standardActingHelpers, 'REST']
   const helpers = Container.helpers()
   let helper
 
   config = Object.assign(defaultConfig, config)
 
-  for (const helperName of supportedHelpers) {
+  for (const helperName of affectedHelpers) {
     if (Object.keys(helpers).indexOf(helperName) > -1) {
       helper = helpers[helperName]
     }