diff --git a/index.js b/index.js
index 671db56..c196e69 100644
--- a/index.js
+++ b/index.js
@@ -35,7 +35,8 @@ async function fastifyHelmet (fastify, options) {
 
   fastify.addHook('onRequest', async (request, reply) => {
     /* istanbul ignore next */
-    const { helmet: routeOptions } = request.routeOptions.config || request.context.config
+    const { helmet: routeOptions } = request.routeOptions?.config ||
+    request.routeConfig
 
     if (typeof routeOptions !== 'undefined') {
       const { enableCSPNonces: enableRouteCSPNonces, skipRoute, ...helmetRouteConfiguration } = routeOptions
@@ -52,7 +53,8 @@ async function fastifyHelmet (fastify, options) {
 
   fastify.addHook('onRequest', (request, reply, next) => {
     /* istanbul ignore next */
-    const { helmet: routeOptions } = request.routeOptions.config || request.context.config
+    const { helmet: routeOptions } = request.routeOptions?.config ||
+    request.routeConfig
 
     if (typeof routeOptions !== 'undefined') {
       const { enableCSPNonces: enableRouteCSPNonces, skipRoute, ...helmetRouteConfiguration } = routeOptions
diff --git a/test/global.test.js b/test/global.test.js
index ce99417..8d494dd 100644
--- a/test/global.test.js
+++ b/test/global.test.js
@@ -685,7 +685,7 @@ test('It should not return a fastify `FST_ERR_REP_ALREADY_SENT - Reply already s
       }
 
       // We want to crash in the scope of this test
-      const crash = request.routeOptions.config.fail
+      const crash = request.routeOptions?.config?.fail || request.routeConfig.fail
 
       Promise.resolve(crash).then((fail) => {
         if (fail === true) {