diff --git a/app/services/process_feed_service.rb b/app/services/process_feed_service.rb
index 90a0a3fb..2eaa7522 100644
--- a/app/services/process_feed_service.rb
+++ b/app/services/process_feed_service.rb
@@ -232,7 +232,7 @@ class ProcessFeedService < BaseService
     end
 
     def content_language(xml = @xml)
-      xml.at_xpath('./xmlns:content', xmlns: TagManager::XMLNS)['xml:lang']
+      xml.at_xpath('./xmlns:content', xmlns: TagManager::XMLNS)['xml:lang']&.presence || 'en'
     end
 
     def content_warning(xml = @xml)