diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index a6a3443..a014eec 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -54,7 +54,7 @@ module ApplicationHelper
 
     content_tag(:video, options) do
       if url.class == String
-        content_tag(:source, '', :src => (url + "?t=" + Time.now.getutc.to_i.to_s), :type => mimetype_from_url(v))
+        content_tag(:source, '', :src => (url + "?t=" + Time.now.getutc.to_i.to_s), :type => mimetype_from_url(url))
       else
         url.each do |v|
           concat content_tag(:source, '', :src => (v + "?t=" + Time.now.getutc.to_i.to_s), :type => mimetype_from_url(v))
--
libgit2 0.21.2