diff --git a/packages/aws-cdk/test/integ/cli/cli.integtest.ts b/packages/aws-cdk/test/integ/cli/cli.integtest.ts
index b63a694e0487a..703dbda0a2aa0 100644
--- a/packages/aws-cdk/test/integ/cli/cli.integtest.ts
+++ b/packages/aws-cdk/test/integ/cli/cli.integtest.ts
@@ -440,12 +440,12 @@ test('IAM diff', async () => {
   // ┌───┬─────────────────┬────────┬────────────────┬────────────────────────────┬───────────┐
   // │   │ Resource        │ Effect │ Action         │ Principal                  │ Condition │
   // ├───┼─────────────────┼────────┼────────────────┼────────────────────────────┼───────────┤
-  // │ + │ ${SomeRole.Arn} │ Allow  │ sts:AssumeRole │ Service:ec2.amazon.aws.com │           │
+  // │ + │ ${SomeRole.Arn} │ Allow  │ sts:AssumeRole │ Service:ec2.amazonaws.com  │           │
   // └───┴─────────────────┴────────┴────────────────┴────────────────────────────┴───────────┘
 
   expect(output).toContain('${SomeRole.Arn}');
   expect(output).toContain('sts:AssumeRole');
-  expect(output).toContain('ec2.amazon.aws.com');
+  expect(output).toContain('ec2.amazonaws.com');
 });
 
 test('fast deploy', async () => {