diff --git a/src/ui/window.rs b/src/ui/window.rs
index abe5286..590ebc4 100644
--- a/src/ui/window.rs
+++ b/src/ui/window.rs
@@ -71,6 +71,7 @@ mod imp {
             mpv.observe_property(5, "time-pos").unwrap();
             mpv.observe_property(6, "playlist-count").unwrap();
             mpv.observe_property(7, "duration").unwrap();
+            mpv.observe_property(8, "path").unwrap();
 
             // "Useful to drain property changes before a new file is loaded."
             mpv.add_hook(0, "on_before_start_file", 0).unwrap();
@@ -171,6 +172,18 @@ mod imp {
                                     window.notify("duration");
                                 }
 
+                                8 => {
+                                    assert_eq!(event.name, "path");
+                                    // sanity check
+                                    match window.imp().mpv.get_property::<String>("path") {
+                                        Ok(path) => {
+                                            assert_eq!(path, window.song().unwrap().stream_url())
+                                        }
+                                        Err(err) if err.is_property_unavailable() => {}
+                                        Err(err) => Err(err).unwrap(),
+                                    }
+                                }
+
                                 _ => unreachable!(),
                             },
 
@@ -402,16 +415,6 @@ mod imp {
                     .dynamic_cast()
                     .unwrap();
 
-                // sanity check
-                match self.mpv.get_property::<String>("path") {
-                    Ok(path) => assert_eq!(song.stream_url(), path),
-                    Err(err) if err.is_property_unavailable() => {
-                        // NOTE: this happens between EndFile and StartFile
-                        event!(Level::WARN, "can't do sanity check, path is unavailable")
-                    }
-                    Err(err) => Err(err).unwrap(),
-                };
-
                 Some(song)
             }
         }