diff --git a/packages/core/src/middleware/koa-auth.ts b/packages/core/src/middleware/koa-auth.ts
index 9d745adf0..51b7b2771 100644
--- a/packages/core/src/middleware/koa-auth.ts
+++ b/packages/core/src/middleware/koa-auth.ts
@@ -41,7 +41,7 @@ type UserInfo = {
 
 const getUserInfoFromRequest = async (request: Request): Promise<UserInfo> => {
   const { isProduction, isIntegrationTest, developmentUserId, oidc } = envSet.values;
-  const userId = developmentUserId || request.headers['development-user-id']?.toString();
+  const userId = request.headers['development-user-id']?.toString() ?? developmentUserId;
 
   if ((!isProduction || isIntegrationTest) && userId) {
     return { sub: userId, roleNames: [UserRole.Admin] };
diff --git a/packages/integration-tests/jest.setup.js b/packages/integration-tests/jest.setup.js
index 3e107884d..1800b07d2 100644
--- a/packages/integration-tests/jest.setup.js
+++ b/packages/integration-tests/jest.setup.js
@@ -1,11 +1,14 @@
 // Need to disable following rules to mock text-decode/text-encoder and crypto for jsdom
 // https://github.com/jsdom/jsdom/issues/1612
 import { Crypto } from '@peculiar/webcrypto';
+import dotenv from 'dotenv';
 import { TextDecoder, TextEncoder } from 'text-encoder';
 
 // eslint-disable-next-line unicorn/prefer-module
 const fetch = require('node-fetch');
 
+dotenv.config();
+
 /* eslint-disable @silverhand/fp/no-mutation */
 global.crypto = new Crypto();
 global.fetch = fetch;
diff --git a/packages/integration-tests/package.json b/packages/integration-tests/package.json
index 2e01f3250..00de2e6f6 100644
--- a/packages/integration-tests/package.json
+++ b/packages/integration-tests/package.json
@@ -22,6 +22,7 @@
     "@silverhand/ts-config": "^0.17.0",
     "@types/jest": "^27.4.1",
     "@types/node": "^16.0.0",
+    "dotenv": "^16.0.0",
     "eslint": "^8.19.0",
     "got": "^11.8.2",
     "jest": "^27.5.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index cd2c8727d..9f6dae7fd 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1142,6 +1142,7 @@ importers:
       '@silverhand/ts-config': ^0.17.0
       '@types/jest': ^27.4.1
       '@types/node': ^16.0.0
+      dotenv: ^16.0.0
       eslint: ^8.19.0
       got: ^11.8.2
       jest: ^27.5.1
@@ -1163,6 +1164,7 @@ importers:
       '@silverhand/ts-config': 0.17.0_typescript@4.6.4
       '@types/jest': 27.4.1
       '@types/node': 16.11.12
+      dotenv: 16.0.0
       eslint: 8.19.0
       got: 11.8.3
       jest: 27.5.1_ts-node@10.9.1
@@ -7594,7 +7596,6 @@ packages:
   /dotenv/16.0.0:
     resolution: {integrity: sha512-qD9WU0MPM4SWLPJy/r2Be+2WgQj8plChsyrCNQzW/0WjvcJQiKQJ9mH3ZgB3fxbUUxgc/11ZJ0Fi5KiimWGz2Q==}
     engines: {node: '>=12'}
-    dev: false
 
   /dotenv/7.0.0:
     resolution: {integrity: sha512-M3NhsLbV1i6HuGzBUH8vXrtxOk+tWmzWKDMbAVSUp3Zsjm7ywFeuwrUXhmhQyRK1q5B5GGy7hcXPbj3bnfZg2g==}