diff --git a/server/src/api/controllers/Purchases/index.ts b/server/src/api/controllers/Purchases/index.ts
index 5333b2f84..622c575e7 100644
--- a/server/src/api/controllers/Purchases/index.ts
+++ b/server/src/api/controllers/Purchases/index.ts
@@ -1,9 +1,10 @@
 import express from 'express';
-import { Container } from 'typedi';
+import { Container, Service } from 'typedi';
 import Bills from 'api/controllers/Purchases/Bills'
 import BillPayments from 'api/controllers/Purchases/BillsPayments';
 
-export default {
+@Service()
+export default class PurchasesController {
 
   router() {
     const router = express.Router();
diff --git a/server/src/api/controllers/Sales/index.ts b/server/src/api/controllers/Sales/index.ts
index 146c8dddf..af92ee890 100644
--- a/server/src/api/controllers/Sales/index.ts
+++ b/server/src/api/controllers/Sales/index.ts
@@ -1,11 +1,12 @@
 import express from 'express';
-import { Container } from 'typedi';
+import { Container, Service } from 'typedi';
 import SalesEstimates from './SalesEstimates';
 import SalesReceipts from './SalesReceipts';
 import SalesInvoices from './SalesInvoices'
 import PaymentReceives from './PaymentReceives';
 
-export default {
+@Service()
+export default class SalesController {
   /**
    * Router constructor.
    */
diff --git a/server/src/api/index.ts b/server/src/api/index.ts
index 3d574ca2d..3cfa75f3e 100644
--- a/server/src/api/index.ts
+++ b/server/src/api/index.ts
@@ -92,10 +92,10 @@ export default () => {
   dashboard.use('/item_categories', Container.get(ItemCategories).router());
   dashboard.use('/expenses', Container.get(Expenses).router());
   dashboard.use('/financial_statements', FinancialStatements.router());
-  dashboard.use('/sales', Sales.router());
+  dashboard.use('/sales', Container.get(Sales).router());
   dashboard.use('/customers', Container.get(Customers).router());
   dashboard.use('/vendors', Container.get(Vendors).router());
-  dashboard.use('/purchases', Purchases.router());
+  dashboard.use('/purchases', Container.get(Purchases).router());
   dashboard.use('/resources', Resources.router());
   dashboard.use('/exchange_rates', Container.get(ExchangeRates).router());
   dashboard.use('/media', Media.router());
diff --git a/server/src/services/DynamicListing/DynamicListService.ts b/server/src/services/DynamicListing/DynamicListService.ts
index 80998d161..54ee80db5 100644
--- a/server/src/services/DynamicListing/DynamicListService.ts
+++ b/server/src/services/DynamicListing/DynamicListService.ts
@@ -12,7 +12,6 @@ import {
   validateFieldKeyExistance,
   validateFilterRolesFieldsExistance,
 } from 'lib/ViewRolesBuilder';
-
 import TenancyService from 'services/Tenancy/TenancyService';
 import { IDynamicListFilterDTO, IFilterRole, IDynamicListService } from 'interfaces';