diff --git a/db/fixtures/001_categories.rb b/db/fixtures/001_categories.rb
index edc23155f..c6880b533 100644
--- a/db/fixtures/001_categories.rb
+++ b/db/fixtures/001_categories.rb
@@ -2,7 +2,10 @@
 ActiveRecord::Base.send(:subclasses).each{|m| m.reset_column_information}
 
 SiteSetting.refresh!
-if SiteSetting.uncategorized_category_id == -1 || !Category.exists?(SiteSetting.uncategorized_category_id)
+uncat_id = SiteSetting.uncategorized_category_id
+uncat_id = -1 unless Numeric === uncat_id
+
+if uncat_id == -1 || !Category.exists?(uncat_id)
   puts "Seeding uncategorized category!"
 
   result = Category.exec_sql "SELECT 1 FROM categories WHERE lower(name) = 'uncategorized'"