diff --git a/lib/tasks/sample_data/addressing.rb b/lib/tasks/sample_data/addressing.rb
index ea6ec7b2bb..bc1471e276 100644
--- a/lib/tasks/sample_data/addressing.rb
+++ b/lib/tasks/sample_data/addressing.rb
@@ -15,7 +15,7 @@ module Addressing
 
   def zone
     zone = Spree::Zone.find_or_create_by_name!(ENV.fetch('CHECKOUT_ZONE'))
-    zone.members.create!(zonable: country)
+    zone.members.create!(zoneable: country) unless zone.zoneables.include?(country)
     zone
   end