diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 196105f011900ea89b815e6d751166c9df8510c2..f5ad8330c68370e8232fbd7fd4929e2b275ad1cd 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -160,7 +160,7 @@ module ApplicationHelper
   end
 
   def image_url(source)
-    root_url + path_to_image(source)
+    root_url.sub(/#{root_path}$/,'') + path_to_image(source)
   end
   alias_method :url_to_image, :image_url
 end