diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/Requestor.vue b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/Requestor.vue
index ae22f92b6..0e41255aa 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/Requestor.vue
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/Requestor.vue
@@ -287,7 +287,9 @@ export default {
             body.name = payload.data.text;
             body.email = payload.data.email;
             body.telephone = payload.data.phonenumber;
-            body.address = { id: payload.data.address.address_id };
+            if (payload.data.address) {
+                body.address = { id: payload.data.address.address_id };
+            }
 
             makeFetch('PATCH', `/api/1.0/thirdparty/thirdparty/${payload.data.id}.json`, body)
                .then(response => {