diff --git a/webapp/layouts/default.vue b/webapp/layouts/default.vue
index 6ee489367..0b682f3d5 100644
--- a/webapp/layouts/default.vue
+++ b/webapp/layouts/default.vue
@@ -108,7 +108,7 @@ export default {
     return {
       mobileSearchVisible: false,
       toggleMobileMenu: false,
-      inviteRegistration: this.$env.INVITE_REGISTRATION,
+      inviteRegistration: this.$env.INVITE_REGISTRATION === true, // for 'false' in .env INVITE_REGISTRATION is of type undefined and not(!) boolean false, because of internal handling,
     }
   },
   computed: {