diff --git a/app/controllers/uploads_controller.rb b/app/controllers/uploads_controller.rb
index 94a94a7ff..9c69e7381 100644
--- a/app/controllers/uploads_controller.rb
+++ b/app/controllers/uploads_controller.rb
@@ -8,6 +8,15 @@ class UploadsController < ApplicationController
     @upload = Upload.new(:rating => "q")
     if params[:url]
       @post = Post.find_by_source(params[:url])
+
+      @normalized_url = params[:url]
+      headers = {
+        "User-Agent" => "#{Danbooru.config.safe_app_name}/#{Danbooru.config.version}"
+      }
+      Downloads::Strategies::Base.strategies.each do |strategy|
+        @normalized_url, headers = strategy.new.rewrite(@normalized_url, headers)
+      end
+
       begin
         @source = Sources::Site.new(params[:url])
       rescue Exception
diff --git a/app/views/uploads/_image.html.erb b/app/views/uploads/_image.html.erb
index c9989e77a..d37bb2c20 100644
--- a/app/views/uploads/_image.html.erb
+++ b/app/views/uploads/_image.html.erb
@@ -1,5 +1,5 @@
 <% if params[:url] %>
-  <%= image_tag(params[:url], :title => "Preview", :id => "image") %>
+  <%= image_tag(@normalized_url, :title => "Preview", :id => "image") %>
   <% if params[:ref] %>
     <p><strong>Referrer: </strong> <%= params[:ref] %></p>
   <% end %>