diff --git a/backend/app.js b/backend/app.js
index 42bf817e5179bde54d6a411be249613b3538ae3f..16641cd87e971e893cbc1e538f888add4e78a12b 100644
--- a/backend/app.js
+++ b/backend/app.js
@@ -41,7 +41,7 @@ chatrooms_db.on('child_added', chatroom => {
           title: chatSnap.child('nameSender').val(),
           body: chatSnap.child('message').val()
         },
-        token: chatSnap.child('receiver').val()
+        token: chatSnap.child('idReceiver').val()
       }
       admin.messaging().send(message)
         .then(response => {