diff --git a/src/entity/emr/emr_nursing_assesment.ts b/src/entity/emr/emr_nursing_assesment.ts
index 5a63db1..704a589 100644
--- a/src/entity/emr/emr_nursing_assesment.ts
+++ b/src/entity/emr/emr_nursing_assesment.ts
@@ -68,7 +68,7 @@ export class EmrNursingAssesment {
     @JoinColumn()
     registration: EmrRegistration;
 
-    @ManyToOne(() => FosterCareHistory, { onDelete: "CASCADE" })
+    @ManyToOne(() => FosterCareHistory, { onDelete: "CASCADE", nullable: true })
     @JoinColumn()
     foster_care_history: FosterCareHistory;