diff --git a/src/entities/PosMaster.ts b/src/entities/PosMaster.ts
index 861fa7e5..bff30aae 100644
--- a/src/entities/PosMaster.ts
+++ b/src/entities/PosMaster.ts
@@ -267,7 +267,7 @@ export class PosMaster extends EntityBase {
 
 export class CreatePosMaster {
   @Column()
-  id?: string | null;
+  id: string | null;
 
   @Column()
   posMasterNoPrefix: string | null;