diff --git a/src/entity/trx_transactions.ts b/src/entity/trx_transactions.ts
index af43365..dcc2542 100644
--- a/src/entity/trx_transactions.ts
+++ b/src/entity/trx_transactions.ts
@@ -167,6 +167,7 @@ export class TrxTransaction {
 	purpose_label: string;
 
 	@Column({
+		nullable: true,
 		type: "text",
 	})
 	qr_code: string;