diff --git a/db/migrate/20170506212014_add_account_registrar_fk.rb b/db/migrate/20170506212014_add_account_registrar_fk.rb
new file mode 100644
index 000000000..3f73cb83f
--- /dev/null
+++ b/db/migrate/20170506212014_add_account_registrar_fk.rb
@@ -0,0 +1,6 @@
+class AddAccountRegistrarFk < ActiveRecord::Migration
+  def change
+    change_column :accounts, :registrar_id, :integer, null: false
+    add_foreign_key :accounts, :registrars
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index 429b23f73..612f58532 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -327,7 +327,7 @@ ALTER SEQUENCE account_activities_id_seq OWNED BY account_activities.id;
 
 CREATE TABLE accounts (
     id integer NOT NULL,
-    registrar_id integer,
+    registrar_id integer NOT NULL,
     account_type character varying,
     balance numeric(10,2) DEFAULT 0.0 NOT NULL,
     created_at timestamp without time zone,
@@ -4792,6 +4792,14 @@ ALTER TABLE ONLY account_activities
     ADD CONSTRAINT fk_rails_b80dbb973d FOREIGN KEY (bank_transaction_id) REFERENCES bank_transactions(id);
 
 
+--
+-- Name: fk_rails_c9f635c0b3; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY accounts
+    ADD CONSTRAINT fk_rails_c9f635c0b3 FOREIGN KEY (registrar_id) REFERENCES registrars(id);
+
+
 --
 -- Name: fk_rails_ce38d749f6; Type: FK CONSTRAINT; Schema: public; Owner: -
 --
@@ -5298,3 +5306,5 @@ INSERT INTO schema_migrations (version) VALUES ('20170506205356');
 
 INSERT INTO schema_migrations (version) VALUES ('20170506205946');
 
+INSERT INTO schema_migrations (version) VALUES ('20170506212014');
+