motion.coffee.erb in unpoly-rails-0.60.1

- old
+ new

@@ -370,10 +370,10 @@
 
     beforeStart()
 
     scrollNew = ->
       # Don't animate the scrolling.
-      scrollOptions = u.merge(options, behavior: 'instant')
+      scrollOptions = u.merge(options, scrollBehavior: 'auto')
       # Scroll newElement into position before we start the enter animation.
       up.viewport.scrollAfterInsertFragment(newElement, scrollOptions)
 
     if willMorph
       if motionController.isActive(oldElement) && options.trackMotion is false