diff --git a/.gitignore b/.gitignore
index b69a7c2..231e693 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
+# This project uses yarn. Do not
+# include npm package lock.
+package-lock.json
+
 # Logs
 logs
 *.log
diff --git a/src/apis/PlayerApi.ts b/src/apis/PlayerApi.ts
index 6d3c9b8..f013283 100644
--- a/src/apis/PlayerApi.ts
+++ b/src/apis/PlayerApi.ts
@@ -48,7 +48,7 @@ export class PlayerApi {
    */
   getCurrentlyPlayingTrack(
     options?: GetCurrentlyPlayingTrackOptions,
-  ): Promise<CurrentlyPlaying> {
+  ): Promise<CurrentlyPlaying | string> {
     return this.http.get<CurrentlyPlaying>(
       '/me/player/currently-playing',
       options && { params: options },