diff --git a/app/models/tag.rb b/app/models/tag.rb
index 40d169dcb..918caf46b 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -812,6 +812,8 @@ class Tag < ApplicationRecord
         else
           sqs = SqsService.new(Danbooru.config.aws_sqs_reltagcalc_url)
           sqs.send_message("calculate #{name}")
+          self.related_tags_updated_at = Time.now
+          save
         end
 
         Cache.put("urt:#{key}", true, 600) # mutex to prevent redundant updates