--- frescobaldi_app/widgets/progressbar.py~	2022-01-05 13:46:54.939018944 -0600
+++ frescobaldi_app/widgets/progressbar.py	2022-01-05 13:47:18.133896110 -0600
@@ -71,8 +71,8 @@
         """
         self._hideTimer.stop()
         self._timeline.stop()
-        self._timeline.setDuration(total * 1000)
-        self._timeline.setCurrentTime(elapsed * 1000)
+        self._timeline.setDuration(int(total) * 1000)
+        self._timeline.setCurrentTime(int(elapsed) * 1000)
         self.setValue(self._timeline.currentFrame())
         self._timeline.resume()
         if self._hideWhileIdle and not self._hidden: