diff --git a/packages/@aws-cdk/cloudformation-diff/test/format.test.ts b/packages/@aws-cdk/cloudformation-diff/test/format.test.ts
index 6cd6d23d38b5f..b025688ef7668 100644
--- a/packages/@aws-cdk/cloudformation-diff/test/format.test.ts
+++ b/packages/@aws-cdk/cloudformation-diff/test/format.test.ts
@@ -5,5 +5,5 @@ const formatter = new Formatter(process.stdout, {});
 
 test('format value can handle partial json strings', () => {
   const output = formatter.formatValue({ nice: 'great', partialJson: '{"wow": "great' }, chalk.red);
-  expect(output).toEqual('{\"nice\":\"great\",\"partialJson\":\"{\\\"wow\\\": \\\"great\"}');
+  expect(output).toMatch('{\"nice\":\"great\",\"partialJson\":\"{\\\"wow\\\": \\\"great\"}');
 });
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