diff --git a/app/views/events/index.rss.builder b/app/views/events/index.rss.builder
index c80718d0..a038bf27 100644
--- a/app/views/events/index.rss.builder
+++ b/app/views/events/index.rss.builder
@@ -1,6 +1,6 @@
 def meta(xml, event)
   xml.dc :identifier, "#{event.id}@#{request.domain}"
-  xml.dc :date, l(event.start_time, format: :xml)
+  xml.dc :date, event.start_time.iso8601
 
   return unless event.latitude || event.longitude
   xml.georss :point, event.latitude, ' ', event.longitude