diff --git a/src/entity/emr/emr_patient.ts b/src/entity/emr/emr_patient.ts
index 73f8689..f9e0c9d 100644
--- a/src/entity/emr/emr_patient.ts
+++ b/src/entity/emr/emr_patient.ts
@@ -18,7 +18,7 @@ export class EmrPatient {
 	@Column({ nullable: false, length: 64 })
 	mrn_number: string;
 
-	@Column({ nullable: false, length: 64 })
+	@Column({ nullable: true, length: 64 })
 	passport_number: string;
 
 	@Column({ nullable: false, length: 256 })