diff --git a/app/models/tag.rb b/app/models/tag.rb
index 891ce3db8..df31b9b4c 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -814,7 +814,7 @@ class Tag < ApplicationRecord
         self.related_tags = RelatedTagCalculator.calculate_from_sample_to_array(name).join(" ")
       end
       self.related_tags_updated_at = Time.now
-      fix_post_count if rand(post_count) <= 1
+      fix_post_count if post_count > 20 && rand(post_count) <= 1
       save
     rescue ActiveRecord::StatementInvalid
     end