diff --git a/packages/jest-util/src/create_process_object.js b/packages/jest-util/src/create_process_object.js
index 587b81da70f7..e613d8380e67 100644
--- a/packages/jest-util/src/create_process_object.js
+++ b/packages/jest-util/src/create_process_object.js
@@ -90,6 +90,7 @@ export default function() {
   }
 
   newProcess.env = createProcessEnv();
+  newProcess.exit = () => {};
   newProcess.send = () => {};
 
   return newProcess;