diff --git a/lib/oneboxer.rb b/lib/oneboxer.rb
index c08d619d6af..08d3ac4149b 100644
--- a/lib/oneboxer.rb
+++ b/lib/oneboxer.rb
@@ -18,7 +18,7 @@ module Oneboxer
   end
 
   def self.ignore_redirects
-    @ignore_redirects ||= ['http://store.steampowered.com', Discourse.base_url]
+    @ignore_redirects ||= ['http://www.dropbox.com','http://store.steampowered.com', Discourse.base_url]
   end
 
   def self.preview(url, options=nil)