diff --git a/service_soundcloud.go b/service_soundcloud.go
index 54fa26f..3491d99 100644
--- a/service_soundcloud.go
+++ b/service_soundcloud.go
@@ -114,7 +114,7 @@ func (sc SoundCloud) NewSong(user *gumble.User, trackData *jsonq.JsonQuery, offs
 		url:       url,
 		thumbnail: thumbnail,
 		submitter: user,
-		Duration:  durationMS / 1000,
+		duration:  durationMS / 1000,
 		offset:    offset,
 		format:    "mp3",
 		playlist:  playlist,
diff --git a/service_youtube.go b/service_youtube.go
index 991cf9c..453044c 100644
--- a/service_youtube.go
+++ b/service_youtube.go
@@ -90,7 +90,7 @@ func (yt YouTube) NewSong(user *gumble.User, id, offset string, playlist Playlis
 			id:        id,
 			url:       "https://youtu.be/" + id,
 			offset:    int(yt.parseTime(offset).Seconds()),
-			Duration:  int(yt.parseTime(duration).Seconds()),
+			duration:  int(yt.parseTime(duration).Seconds()),
 			thumbnail: thumbnail,
 			format:    "m4a",
 			skippers:  make([]string, 0),
diff --git a/youtube_dl.go b/youtube_dl.go
index 2b1e352..fcd6dba 100644
--- a/youtube_dl.go
+++ b/youtube_dl.go
@@ -176,7 +176,7 @@ func (dl *YouTubeSong) DurationInt() string {
 
 // DurationString returns the pretty version of duration for the Song.
 func (dl *YouTubeSong) DurationString() string {
-	timeDuration, _ := time.ParseDuration(strconv.Iota(dl.duration) + "s")
+	timeDuration, _ := time.ParseDuration(strconv.Itoa(dl.duration) + "s")
 	return timeDuration.String()
 }