diff --git a/src/ui/window.rs b/src/ui/window.rs
index 7011290..00a13af 100644
--- a/src/ui/window.rs
+++ b/src/ui/window.rs
@@ -150,12 +150,6 @@ mod imp {
                             Event::StartFile(_) => {
                                 window.notify("song");
                                 // TODO: load cover art
-
-                                // sanity check
-                                assert_eq!(
-                                    window.song().unwrap().stream_url(),
-                                    window.imp().mpv.get_property::<String>("path").unwrap()
-                                );
                             }
 
                             Event::Hook(event) => match event.reply_userdata {
@@ -332,14 +326,20 @@ mod imp {
             if self.obj().playlist_pos() < 0 {
                 None
             } else {
-                Some(
-                    self.obj()
-                        .playlist_model()
-                        .item(self.obj().playlist_pos() as u32)
-                        .unwrap()
-                        .dynamic_cast()
-                        .unwrap(),
-                )
+                let song: PlaybinSong = self
+                    .obj()
+                    .playlist_model()
+                    .item(self.obj().playlist_pos() as u32)
+                    .unwrap()
+                    .dynamic_cast()
+                    .unwrap();
+
+                // sanity check
+                assert_eq!(
+                    song.stream_url(),
+                    self.mpv.get_property::<String>("path").unwrap()
+                );
+                Some(song)
             }
         }
     }