potential fix for #2404

app/views/sources/_info.html.erb

@@ -4,7 +4,7 @@
 
 <div id="source-info">
   <% if source.try(:available?) %>
-    <p><%= link_to "Fetch source data", source_path(:format => "json", :url => source.referer_url(self)), :id => "fetch-data-bookmarklet", :style => "display: none;" %></p>
+    <p><%= link_to "Fetch source data", source_path(:format => "json", :url => source.referer_url), :id => "fetch-data-bookmarklet", :style => "display: none;" %></p>
     <p><%= content_tag "span", "Loading #{source.site_name} data...", :id => "loading-data" %></p>
   <% else %>
     <p><%= link_to "Fetch source data", source_path(:format => "json"), :id => "fetch-data-manual" %></p>

app/views/uploads/new.html.erb

@@ -15,6 +15,7 @@
 
       <%= form_for(@upload, :html => {:multipart => true, :class => "simple_form", :id => "form"}) do |f| %>
         <%= hidden_field_tag :normalized_url, @normalized_url %>
+        <%= hidden_field_tag :referer_url, @source.try(:referer_url) %>
 
         <% if CurrentUser.is_contributor? %>
           <div class="input">