diff --git a/libs.js b/libs.js
index 9c90e7a..d75734e 100644
--- a/libs.js
+++ b/libs.js
@@ -30,7 +30,7 @@ const saveSong = (values, callback) => {
     .exec(function (err, last) {
       if (err ||
         last.length === 0 ||
-        (last[0] !== undefined && last[0].id !== values.id)
+        (last[0] !== undefined && last[0].stringId !== values.stringId)
       ) {
         console.log(config.colors.FgBlue, '[INFO][saveSong] song not found:', values.title, values.artist, config.colors.Reset)
 
@@ -119,7 +119,7 @@ const getRemoteCover = (song, callback) => {
  */
 const findCover = (song, callback) => {
   mongo.Metadata.findOne({
-    id: song.id
+    stringId: song.stringId
   })
     .exec((err, metadata) => {
       if (err) {
@@ -180,7 +180,8 @@ const getStream = (callback) => {
           title: _body.data[0].track.title,
           album: _body.data[0].track.album,
           royaltytrackid: _body.data[0].track.royaltytrackid,
-          id: _body.data[0].track.id || `FAKEID_${_body.data[0].track.artist}_${_body.data[0].track.title}_${_body.data[0].track.album}`,
+          id: _body.data[0].track.id,
+          stringId: _body.data[0].track.id || `FAKEID_${_body.data[0].track.artist}_${_body.data[0].track.title}_${_body.data[0].track.album}`,
           playlistId: _body.data[0].track.playlist ? _body.data[0].track.playlist.id : null,
           thumbCover: _body.data[0].track.imageurl
         }
diff --git a/mongo.js b/mongo.js
index 841f3ef..6059d70 100644
--- a/mongo.js
+++ b/mongo.js
@@ -8,7 +8,8 @@ const schemas = {
     title: String,
     album: String,
     royaltytrackid: Number,
-    id: String,
+    id: Number,
+    stringId: String,
     playlistId: Number,
     thumbCover: String,
     createdAt: {