diff --git a/src/controllers/00-employment-office-controller.ts b/src/controllers/00-employment-office-controller.ts
index 4aef059..519bd2d 100644
--- a/src/controllers/00-employment-office-controller.ts
+++ b/src/controllers/00-employment-office-controller.ts
@@ -11,23 +11,19 @@ export class EmploymentOfficeController extends Controller {
     return await prisma.employmentOffice.findMany({
       where: {
         OR:
-          !!districtId || !!query
+          districtId || query
             ? [
-                ...(districtId
-                  ? [
-                      {
-                        province: {
-                          district: { some: { id: districtId } },
-                        },
-                        district: { none: {} },
-                      },
-                      {
-                        district: {
-                          some: { districtId },
-                        },
-                      },
-                    ]
-                  : []),
+                ...(queryOrNot(!!districtId, [
+                  {
+                    province: { district: { some: { id: districtId } } },
+                    district: { none: {} },
+                  },
+                  {
+                    district: {
+                      some: { districtId },
+                    },
+                  },
+                ]) ?? []),
                 ...(queryOrNot(query, [
                   { name: { contains: query } },
                   { nameEN: { contains: query } },