diff --git a/website/client/vue.config.js b/website/client/vue.config.js
index cef99bd592..03d22abe34 100644
--- a/website/client/vue.config.js
+++ b/website/client/vue.config.js
@@ -30,7 +30,8 @@ const envVars = [
   'LOGGLY_CLIENT_TOKEN',
   'TRUSTED_DOMAINS',
   'TIME_TRAVEL_ENABLED',
-  'DEBUG_ENABLED'
+  'DEBUG_ENABLED',
+  'CONTENT_SWITCHOVER_TIME_OFFSET',
   // TODO necessary? if yes how not to mess up with vue cli? 'NODE_ENV'
 ];