diff --git a/plugins/octopress_filters.rb b/plugins/octopress_filters.rb
index 67118b5..9c94f0e 100644
--- a/plugins/octopress_filters.rb
+++ b/plugins/octopress_filters.rb
@@ -58,7 +58,7 @@ module OctopressFilters
   # Replaces relative urls with full urls
   def expand_urls(input, url='')
     url ||= '/'
-    input.gsub /(\s+(href|src)\s*=\s*["|']{1})(\/[^\"'>]+)/ do
+    input.gsub /(\s+(href|src)\s*=\s*["|']{1})(\/[^\"'>]*)/ do
       $1+url+$3
     end
   end