diff --git a/database/migrations/1770032438762-removeNotNullFromInvoicePurpose.ts b/database/migrations/1770032438762-removeNotNullFromInvoicePurpose.ts
new file mode 100644
index 0000000..4e947cb
--- /dev/null
+++ b/database/migrations/1770032438762-removeNotNullFromInvoicePurpose.ts
@@ -0,0 +1,14 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class RemoveNotNullFromInvoicePurpose1770032438762 implements MigrationInterface {
+    name = 'RemoveNotNullFromInvoicePurpose1770032438762'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "invoice" ALTER COLUMN "purpose" DROP NOT NULL`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "invoice" ALTER COLUMN "purpose" SET NOT NULL`);
+    }
+
+}
diff --git a/src/modules/invoices/entities/invoice.entity.ts b/src/modules/invoices/entities/invoice.entity.ts
index c878bc4..ef34e73 100755
--- a/src/modules/invoices/entities/invoice.entity.ts
+++ b/src/modules/invoices/entities/invoice.entity.ts
@@ -70,9 +70,9 @@ export class Invoice extends BaseEntity {
   @Column({
     type: 'enum',
     enum: InvoicePurpose,
-    nullable: false,
+    nullable: true,
   })
-  purpose: InvoicePurpose;
+  purpose?: InvoicePurpose;
 
   get isOverdue(): boolean {
     return this.status === InvoiceStatus.PENDING && new Date() > this.dueDate;