diff --git a/app/views/tags/feed.atom.builder b/app/views/tags/feed.atom.builder
index 11afbfad168..9f01c5ebff2 100644
--- a/app/views/tags/feed.atom.builder
+++ b/app/views/tags/feed.atom.builder
@@ -1,6 +1,6 @@
 atom_feed do |feed|
   feed.title "AO3 works tagged '#{@tag.name}'"
-  feed.updated @works.first.created_at
+  feed.updated @works.first.created_at if @works.respond_to?(:first) && @works.first.present?
 
   @works.each do |work|
     unless work.unrevealed?