diff --git a/app/views/HomeView.coffee b/app/views/HomeView.coffee
index c6da81476..13fa6387b 100644
--- a/app/views/HomeView.coffee
+++ b/app/views/HomeView.coffee
@@ -22,9 +22,9 @@ module.exports = class HomeView extends RootView
     c = super()
     if $.browser
       majorVersion = $.browser.versionNumber
-      c.isOldBrowser = true if $.browser.mozilla && majorVersion < 21
+      c.isOldBrowser = true if $.browser.mozilla && majorVersion < 25
       c.isOldBrowser = true if $.browser.chrome && majorVersion < 25
-      c.isOldBrowser = true if $.browser.safari && majorVersion < 6
+      c.isOldBrowser = true if $.browser.safari && majorVersion < 6  # 6 might have problems with Aether, or maybe just old minors of 6: https://errorception.com/projects/51a79585ee207206390002a2/errors/547a202e1ead63ba4e4ac9fd
     else
       console.warn 'no more jquery browser version...'
     c.isEnglish = (me.get('preferredLanguage') or 'en').startsWith 'en'
diff --git a/app/views/play/modal/PlayItemsModal.coffee b/app/views/play/modal/PlayItemsModal.coffee
index 0c182c1e8..ace78bf22 100644
--- a/app/views/play/modal/PlayItemsModal.coffee
+++ b/app/views/play/modal/PlayItemsModal.coffee
@@ -152,6 +152,7 @@ module.exports = class PlayItemsModal extends ModalView
 
   onScrollItemPane: ->
     # dynamically load visible items when the user scrolls enough to see them
+    return console.error "Couldn't update scroll, since paneNanoContent wasn't initialized." unless @paneNanoContent
     items = @paneNanoContent.find('.item:not(.loaded)')
     threshold = @paneNanoContent.height() + 100
     for itemEl in items