diff --git a/db/migrate/20190811202347_add_invoices_buyer_id_fk.rb b/db/migrate/20190811202347_add_invoices_buyer_id_fk.rb
new file mode 100644
index 000000000..de2a82fcd
--- /dev/null
+++ b/db/migrate/20190811202347_add_invoices_buyer_id_fk.rb
@@ -0,0 +1,5 @@
+class AddInvoicesBuyerIdFk < ActiveRecord::Migration
+  def change
+    add_foreign_key :invoices, :registrars, column: :buyer_id
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index 09925eac5..0e122c441 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -3913,6 +3913,14 @@ ALTER TABLE ONLY public.domains
     ADD CONSTRAINT domains_registrar_id_fk FOREIGN KEY (registrar_id) REFERENCES public.registrars(id);
 
 
+--
+-- Name: fk_rails_242b91538b; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.invoices
+    ADD CONSTRAINT fk_rails_242b91538b FOREIGN KEY (buyer_id) REFERENCES public.registrars(id);
+
+
 --
 -- Name: fk_rails_59c422f73d; Type: FK CONSTRAINT; Schema: public; Owner: -
 --
@@ -4823,3 +4831,5 @@ INSERT INTO schema_migrations (version) VALUES ('20190811195814');
 
 INSERT INTO schema_migrations (version) VALUES ('20190811202042');
 
+INSERT INTO schema_migrations (version) VALUES ('20190811202347');
+