diff --git a/src/entity/tcel_logs.ts b/src/entity/tcel_logs.ts
index ff77899..c2e1aba 100644
--- a/src/entity/tcel_logs.ts
+++ b/src/entity/tcel_logs.ts
@@ -35,11 +35,13 @@ export class TcelLog {
 
 	@Column({
 		length: 128,
+		nullable: true,
 	})
 	supplier_reference_code: string;
 
 	@Column({
 		length: 128,
+		nullable: true,
 	})
 	supplier_transaction_code: string;