diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
index 48cec2f86..74f18db10 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
@@ -78,8 +78,8 @@ let getDataPromise = getAccompanyingCourse(id)
                   }); 
             },
             addParticipation({ commit }, payload) {
-               console.log('## action: fetch post participation: payload', payload.person.id);
-               postParticipation(id, payload.person.id, 'POST')
+               console.log('## action: fetch post participation: payload', payload.id);
+               postParticipation(id, payload.id, 'POST')
                   .then(participation => new Promise((resolve, reject) => {
                      commit('addParticipation', { participation, payload });
                      resolve();