diff --git a/internal/domain/antrian_operasi/model.go b/internal/domain/antrian_operasi/model.go
index 1b39dec..dcb8f2a 100644
--- a/internal/domain/antrian_operasi/model.go
+++ b/internal/domain/antrian_operasi/model.go
@@ -33,7 +33,7 @@ type DiagnosaOperasiModel struct {
 	ID            string         `db:"id"`
 	KodeDiagnosa  string         `db:"Kode_diagnosa"`
 	Diagnosa      sql.NullString `db:"Diagnosa"`
-	JenisDiagnosa string         `db:"Jenis_diagnosa"`
+	JenisDiagnosa sql.NullString `db:"Jenis_diagnosa"`
 	AntrianId     string         `db:"antrian_id"`
 }
 
diff --git a/internal/domain/antrian_operasi/response.go b/internal/domain/antrian_operasi/response.go
index a7f41a9..0935690 100644
--- a/internal/domain/antrian_operasi/response.go
+++ b/internal/domain/antrian_operasi/response.go
@@ -55,7 +55,7 @@ func (model DetailPasienOperasiResultQuery) MapToResponse() DetailPasienOperasiR
 		result.DiagnosisItem = append(result.DiagnosisItem, DiagnosisItemRequest{
 			KodeDiagnosa:  d.KodeDiagnosa,
 			Diagnosa:      d.Diagnosa.String,
-			JenisDiagnosa: d.JenisDiagnosa,
+			JenisDiagnosa: d.JenisDiagnosa.String,
 		})
 	}