diff --git a/packages/client/jest.config.js b/packages/client/jest.config.js
index a5f5a608c916..bacf7f2e9508 100644
--- a/packages/client/jest.config.js
+++ b/packages/client/jest.config.js
@@ -1,5 +1,11 @@
 module.exports = {
   preset: 'ts-jest',
+  globals: {
+    'ts-jest': {
+      tsconfig: 'tsconfig.json',
+      isolatedModules: true,
+    },
+  },
   testEnvironment: 'node',
   collectCoverage: process.env.CI ? true : false,
   coverageReporters: ['clover'],