diff --git a/src/controllers/ProfileSalaryController.ts b/src/controllers/ProfileSalaryController.ts
index c5da339f..e352dbe1 100644
--- a/src/controllers/ProfileSalaryController.ts
+++ b/src/controllers/ProfileSalaryController.ts
@@ -20,7 +20,7 @@ import { ProfileSalaryHistory } from "../entities/ProfileSalaryHistory";
 import { RequestWithUser } from "../middlewares/user";
 import { Profile } from "../entities/Profile";
 import { ProfileEmployee } from "../entities/ProfileEmployee";
-import { In, LessThan, MoreThan } from "typeorm";
+import { In, IsNull, LessThan, MoreThan } from "typeorm";
 import permission from "../interfaces/permission";
 import { setLogDataDiff } from "../interfaces/utils";
 import { TenurePositionOfficer } from "../entities/TenurePositionOfficer";
@@ -254,7 +254,7 @@ export class ProfileSalaryController extends Controller {
           "14",
           "15",
           "16",
-          null,
+          IsNull(),
         ]),
       },
       //   order: { order: "ASC" },
@@ -298,7 +298,7 @@ export class ProfileSalaryController extends Controller {
           "14",
           "15",
           "16",
-          null,
+          IsNull(),
         ]),
       },
       //   order: { order: "ASC" },