diff --git a/youtube/youtube.d.ts b/youtube/youtube.d.ts
index d7e52ae17..30580053f 100644
--- a/youtube/youtube.d.ts
+++ b/youtube/youtube.d.ts
@@ -150,10 +150,11 @@ declare module YT {
     }
 
     export enum PlayerState {
+        UNSTARTED,
         BUFFERING,
         CUED,
         ENDED,
         PAUSED,
         PLAYING
     }
-}
\ No newline at end of file
+}