diff --git a/app/controllers/admin/core-node.js b/app/controllers/admin/core-node.js
index b959a00..a434a04 100644
--- a/app/controllers/admin/core-node.js
+++ b/app/controllers/admin/core-node.js
@@ -45,15 +45,15 @@ class CoreNodeController extends SiteController {
     }
 
     const CORE_SCHEME = process.env.DTP_CORE_AUTH_SCHEME || 'https';
-    res.locals.siteConfig = Object.assign({ }, this.dtp.config.site);
+    const siteConfig = Object.assign({ }, this.dtp.config.site);
 
     if (req.body.callbackUri) {
-      res.locals.siteConfig.coreAuth.callbackUrl = `${CORE_SCHEME}://${this.dtp.config.site.domain}${req.body.callbackUri}`;
-      this.log.info('registering with custom callback URL', { callbackUrl: res.locals.siteConfig.coreAuth.callbackUrl });
+      siteConfig.coreAuth.callbackUrl = `${CORE_SCHEME}://${this.dtp.config.site.domain}${req.body.callbackUri}`;
+      this.log.info('registering with custom callback URL', { callbackUrl: siteConfig.coreAuth.callbackUrl });
     } else {
       const callbackUri = `/auth/core/${res.locals.core._id}/callback`;
-      res.locals.siteConfig.coreAuth.callbackUrl = `${CORE_SCHEME}://${this.dtp.config.site.domain}${callbackUri}`;
-      this.log.info('registering with standard callback URL', { callbackUrl: res.locals.siteConfig.coreAuth.callbackUrl });
+      siteConfig.coreAuth.callbackUrl = `${CORE_SCHEME}://${this.dtp.config.site.domain}${callbackUri}`;
+      this.log.info('registering with standard callback URL', { callbackUrl: siteConfig.coreAuth.callbackUrl });
     }
 
     try {
@@ -63,7 +63,7 @@ class CoreNodeController extends SiteController {
         tokenized: true,
         body: {
           version: this.dtp.pkg.version,
-          site: res.locals.siteConfig,
+          site: siteConfig,
         },
       });