diff --git a/dlt-database/entity/0003-refactor_transaction_recipe/BackendTransaction.ts b/dlt-database/entity/0003-refactor_transaction_recipe/BackendTransaction.ts
index 89dd3dbb0..c84a15f41 100644
--- a/dlt-database/entity/0003-refactor_transaction_recipe/BackendTransaction.ts
+++ b/dlt-database/entity/0003-refactor_transaction_recipe/BackendTransaction.ts
@@ -14,10 +14,10 @@ export class BackendTransaction extends BaseEntity {
 
   @ManyToOne(() => Transaction, (transaction) => transaction.backendTransactions)
   @JoinColumn({ name: 'transaction_id' })
-  transaction?: Transaction
+  transaction: Transaction
 
-  @Column({ name: 'transaction_id', type: 'bigint', unsigned: true, nullable: true })
-  transactionId?: number
+  @Column({ name: 'transaction_id', type: 'bigint', unsigned: true })
+  transactionId: number
 
   @Column({ name: 'type_id', unsigned: true, nullable: false })
   typeId: number
diff --git a/dlt-database/migrations/0003-refactor_transaction_recipe.ts b/dlt-database/migrations/0003-refactor_transaction_recipe.ts
index ac427cd21..0c022cc42 100644
--- a/dlt-database/migrations/0003-refactor_transaction_recipe.ts
+++ b/dlt-database/migrations/0003-refactor_transaction_recipe.ts
@@ -65,7 +65,7 @@ export async function upgrade(queryFn: (query: string, values?: any[]) => Promis
     `CREATE TABLE \`backend_transactions\` (
         \`id\` BIGINT UNSIGNED AUTO_INCREMENT NOT NULL,
         \`backend_transaction_id\` BIGINT UNSIGNED NOT NULL,
-        \`transaction_id\` BIGINT UNSIGNED NULL DEFAULT NULL,
+        \`transaction_id\` BIGINT UNSIGNED NOT NULL,
         \`type_id\` INT UNSIGNED NOT NULL,
         \`balance\` DECIMAL(40, 20) NULL DEFAULT NULL,
         \`created_at\` DATETIME(3) NOT NULL,