diff --git a/plugins/octopress_filters.rb b/plugins/octopress_filters.rb
index c07224f..40d6a97 100644
--- a/plugins/octopress_filters.rb
+++ b/plugins/octopress_filters.rb
@@ -79,7 +79,7 @@ module OctopressLiquidFilters
   def expand_urls(input, url='')
     url ||= '/'
     input.gsub /(\s+(href|src)\s*=\s*["|']{1})(\/[^\/\"'>]*)(["|']{1})/ do
-      $1 + expand_url($3, url) + $4
+      $1 + $3 + $4
     end
   end