diff --git a/db/migrate/20190811205406_change_invoices_required_columns_to_not_null_part2.rb b/db/migrate/20190811205406_change_invoices_required_columns_to_not_null_part2.rb
new file mode 100644
index 000000000..57e9d7d9b
--- /dev/null
+++ b/db/migrate/20190811205406_change_invoices_required_columns_to_not_null_part2.rb
@@ -0,0 +1,7 @@
+class ChangeInvoicesRequiredColumnsToNotNullPart2 < ActiveRecord::Migration
+  def change
+    change_column_null :invoices, :seller_email, false
+    change_column_null :invoices, :seller_contact_name, false
+    change_column_null :invoices, :buyer_email, false
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index ccc253007..c134253b0 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -948,8 +948,8 @@ CREATE TABLE public.invoices (
     seller_zip character varying,
     seller_phone character varying,
     seller_url character varying,
-    seller_email character varying,
-    seller_contact_name character varying,
+    seller_email character varying NOT NULL,
+    seller_contact_name character varying NOT NULL,
     buyer_id integer NOT NULL,
     buyer_name character varying NOT NULL,
     buyer_reg_no character varying NOT NULL,
@@ -960,7 +960,7 @@ CREATE TABLE public.invoices (
     buyer_zip character varying,
     buyer_phone character varying,
     buyer_url character varying,
-    buyer_email character varying,
+    buyer_email character varying NOT NULL,
     creator_str character varying,
     updator_str character varying,
     number integer NOT NULL,
@@ -4835,3 +4835,5 @@ INSERT INTO schema_migrations (version) VALUES ('20190811202347');
 
 INSERT INTO schema_migrations (version) VALUES ('20190811202711');
 
+INSERT INTO schema_migrations (version) VALUES ('20190811205406');
+
diff --git a/test/fixtures/invoices.yml b/test/fixtures/invoices.yml
index e154b50d6..3fe18b4b2 100644
--- a/test/fixtures/invoices.yml
+++ b/test/fixtures/invoices.yml
@@ -7,12 +7,15 @@ one:
   seller_iban: US75512108001245126199
   seller_bank: Main Bank
   seller_swift: swift
+  seller_email: info@seller.test
   seller_country_code: US
   seller_street: Main Street 1
   seller_city: New York
+  seller_contact_name: John Doe
   buyer: bestnames
   buyer_name: Buyer Ltd
   buyer_reg_no: 12345
+  buyer_email: info@buyer.test
   buyer_country_code: GB
   buyer_street: Main Street 2
   buyer_city: London