diff --git a/spec/factories/dns/zone.rb b/spec/factories/dns/zone.rb
index 35a38826d..8c03e7954 100644
--- a/spec/factories/dns/zone.rb
+++ b/spec/factories/dns/zone.rb
@@ -1,6 +1,6 @@
 FactoryGirl.define do
   factory :zone, class: DNS::Zone do
-    origin 'test'
+    sequence(:origin) { |n| "test#{n}" }
     ttl 1
     refresh 1
     add_attribute :retry, 1