diff --git a/source/utils/Subtitles.brs b/source/utils/Subtitles.brs
index 1076c0b98..3bd4d90d9 100644
--- a/source/utils/Subtitles.brs
+++ b/source/utils/Subtitles.brs
@@ -19,7 +19,7 @@ end function
 
 ' Identify the default subtitle track for a given video id
 ' returns the server-side track index for the appriate subtitle
-function defaultSubtitleTrackFromVid(video_id as string) as integer
+function defaultSubtitleTrackFromVid(video_id) as integer
     meta = ItemMetaData(video_id)
     if isValid(meta) and isValid(meta.json) and isValid(meta.json.mediaSources)
         subtitles = sortSubtitles(meta.id, meta.json.MediaSources[0].MediaStreams)