diff --git a/dataTypes.ts b/dataTypes.ts
index 7d5110a..e560ecf 100644
--- a/dataTypes.ts
+++ b/dataTypes.ts
@@ -4,10 +4,10 @@ export class Song {
     public title: string;
     public url: string;
     public image: string;
-    public length: number;
+    public length: number | null;
 
 
-    constructor(type: SongType, title: string, url: string, image: string, length: number) {
+    constructor(type: SongType, title: string, url: string, image: string, length: number | null = null) {
         this.type = type;
         this.title = title;
         this.url = url;
@@ -20,4 +20,4 @@ export enum SongType {
     YouTube,
     Spotify
 }
-    
+
diff --git a/dist/dataTypes.d.ts b/dist/dataTypes.d.ts
index d7e3a7e..09c336b 100644
--- a/dist/dataTypes.d.ts
+++ b/dist/dataTypes.d.ts
@@ -3,8 +3,8 @@ export declare class Song {
     title: string;
     url: string;
     image: string;
-    length: number;
-    constructor(type: SongType, title: string, url: string, image: string, length: number);
+    length: number | null;
+    constructor(type: SongType, title: string, url: string, image: string, length?: number | null);
 }
 export declare enum SongType {
     YouTube = 0,
diff --git a/dist/dataTypes.js b/dist/dataTypes.js
index 99e262e..e599150 100644
--- a/dist/dataTypes.js
+++ b/dist/dataTypes.js
@@ -3,6 +3,7 @@ exports.__esModule = true;
 exports.SongType = exports.Song = void 0;
 var Song = /** @class */ (function () {
     function Song(type, title, url, image, length) {
+        if (length === void 0) { length = null; }
         this.type = type;
         this.title = title;
         this.url = url;