diff --git a/server/ctrlsubsonic/spec/construct.go b/server/ctrlsubsonic/spec/construct.go
index a266af8..c8ebd24 100644
--- a/server/ctrlsubsonic/spec/construct.go
+++ b/server/ctrlsubsonic/spec/construct.go
@@ -9,7 +9,7 @@ func NewPlaylist(p *db.Playlist) *Playlist {
 		ID:       p.ID,
 		Name:     p.Name,
 		Comment:  p.Comment,
-		Duration: "1",
+		Duration: 1,
 		Public:   true,
 		Created:  p.CreatedAt,
 	}
diff --git a/server/ctrlsubsonic/spec/spec.go b/server/ctrlsubsonic/spec/spec.go
index 4a2fe35..10eb1af 100644
--- a/server/ctrlsubsonic/spec/spec.go
+++ b/server/ctrlsubsonic/spec/spec.go
@@ -233,7 +233,7 @@ type Playlist struct {
 	Owner     string        `xml:"owner,attr"     json:"owner"`
 	SongCount int           `xml:"songCount,attr" json:"songCount"`
 	Created   time.Time     `xml:"created,attr"   json:"created"`
-	Duration  string        `xml:"duration,attr"  json:"duration,omitempty"`
+	Duration  int           `xml:"duration,attr"  json:"duration,omitempty"`
 	Public    bool          `xml:"public,attr"    json:"public,omitempty"`
 	List      []*TrackChild `xml:"entry"          json:"entry"`
 }