diff --git a/db/fixtures/999_topics.rb b/db/fixtures/999_topics.rb
index d04f34592..46b4a1781 100644
--- a/db/fixtures/999_topics.rb
+++ b/db/fixtures/999_topics.rb
@@ -2,7 +2,7 @@ User.reset_column_information
 Topic.reset_column_information
 Post.reset_column_information
 
-if Topic.count == 0 && !Rails.env.test?
+if Topic.where('id NOT IN (SELECT topic_id from categories)').count == 0 && !Rails.env.test?
   # seed welcome topic
   puts "Seeding welcome topic"
   welcome = File.read(Rails.root + 'docs/ADMIN-QUICK-START-GUIDE.md')