diff --git a/build/js/ox.ui.js b/build/js/ox.ui.js
index c9099e68..652b2cfb 100644
--- a/build/js/ox.ui.js
+++ b/build/js/ox.ui.js
@@ -11970,7 +11970,7 @@ requires
                 .mousemove(function(event) {
                     var position = getPosition(event),
                         image = getFrame(position),
-                        frameHeight = image.height;
+                        frameHeight = image?image.height:that.height();
                     frame.attr('src', image.src);
                     timestamp.html(Ox.formatDuration(position, 'short'));