diff --git a/package.json b/package.json
index 94c2bc021a..59fb906400 100644
--- a/package.json
+++ b/package.json
@@ -154,6 +154,7 @@
     "@types/is-hotkey": "^0.1.2",
     "@types/is-url": "^1.2.28",
     "@types/isomorphic-fetch": "^0.0.35",
+    "@types/jest": "^26.0.15",
     "@types/jsonwebtoken": "^8.5.0",
     "@types/method-override": "^0.0.31",
     "@types/mini-css-extract-plugin": "^1.2.1",
diff --git a/src/express/middleware/errorHandler.spec.ts b/src/express/middleware/errorHandler.spec.ts
index f2679be990..18a3b182fc 100644
--- a/src/express/middleware/errorHandler.spec.ts
+++ b/src/express/middleware/errorHandler.spec.ts
@@ -1,5 +1,5 @@
-const errorHandler = require('./errorHandler');
-const APIError = require('../../errors/APIError');
+import errorHandler from './errorHandler';
+import { APIError } from '../../errors';
 
 const testError = new APIError('test error', 503);
 
diff --git a/src/express/middleware/errorHandler.ts b/src/express/middleware/errorHandler.ts
index cd24a37ed1..f74d28d04b 100644
--- a/src/express/middleware/errorHandler.ts
+++ b/src/express/middleware/errorHandler.ts
@@ -1,8 +1,8 @@
 import httpStatus from 'http-status';
 import formatErrorResponse from '../responses/formatError';
-import utilities from '../../utilities/logger';
+import logger from '../../utilities/logger';
 
-const logger = utilities();
+logger();
 
 const errorHandler = (config) => async (err, req, res, next) => {
   const data = formatErrorResponse(err);
diff --git a/yarn.lock b/yarn.lock
index a5b4f34aa3..b05d8335a7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1736,7 +1736,7 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@*":
+"@types/jest@*", "@types/jest@^26.0.15":
   version "26.0.15"
   resolved "https://registry.npmjs.org/@types/jest/-/jest-26.0.15.tgz#12e02c0372ad0548e07b9f4e19132b834cb1effe"
   integrity sha512-s2VMReFXRg9XXxV+CW9e5Nz8fH2K1aEhwgjUqPPbQd7g95T0laAcvLv032EhFHIa5GHsZ8W7iJEQVaJq6k3Gog==