diff --git a/src/model/encoding/__tests__/DraftStringKey-test.js b/src/model/encoding/__tests__/DraftStringKey-test.js
index 8e37d99efc..f66249110a 100644
--- a/src/model/encoding/__tests__/DraftStringKey-test.js
+++ b/src/model/encoding/__tests__/DraftStringKey-test.js
@@ -11,6 +11,8 @@
 
 'use strict';
 
+jest.disableAutomock();
+
 const {stringify, unstringify} = require('DraftStringKey');
 
 test('must convert maybe strings to a string key', () => {