diff --git a/src/mpris.vala b/src/mpris.vala
index 8243845..7d69bd9 100644
--- a/src/mpris.vala
+++ b/src/mpris.vala
@@ -40,7 +40,7 @@ class MprisPlayer : Object {
     internal signal void on_stop ();
     internal signal void on_play ();
     internal signal void on_seek (int64 offset);
-    internal signal void on_set_position (string track_id, int64 position);
+    internal signal void on_set_position (ObjectPath track_id, int64 position);
 
     public void next () throws Error { this.on_next (); }
     public void previous () throws Error { this.on_previous (); }
@@ -49,7 +49,7 @@ class MprisPlayer : Object {
     public void stop () throws Error { this.on_stop (); }
     public void play () throws Error { this.on_play (); }
     public void seek (int64 offset) throws Error { this.on_seek (offset); }
-    public void set_position (string track_id, int64 position) throws Error { this.on_set_position (track_id, position); }
+    public void set_position (ObjectPath track_id, int64 position) throws Error { this.on_set_position (track_id, position); }
     public void open_uri (string uri) throws Error { assert (false); }
 
     public signal void seeked (int64 position);
@@ -152,6 +152,12 @@ class MprisPlayer : Object {
             if (playbin.state == PlaybinState.PAUSED) playbin.play ();
             else if (playbin.state == PlaybinState.PLAYING) playbin.pause ();
         });
+        this.on_stop.connect (() => {
+            playbin.stop ();
+        });
+
+        // TODO: seeking from mpris
+        // TODO: trigger the seeked signal when applicable
 
         this.notify.connect ((p) => {
             var builder = new VariantBuilder (VariantType.ARRAY);