diff --git a/src/index.js b/src/index.js
index 764d265..da7e8c8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -16,8 +16,9 @@ const admin = require('firebase-admin');
 
     const docRef = db.collection('usersGitHub').doc(author.id.toString());
     await docRef.set({
-      ...author,
-      [type]: admin.firestore.FieldValue.increment(1)
+      author,
+      id: author.id.toString(),
+      [type]: admin.firestore.FieldValue.increment(1),
     }, { merge: true });
   } catch (error) {
     core.setFailed(error.message);