diff --git a/types/deep-freeze/deep-freeze-tests.ts b/types/deep-freeze/deep-freeze-tests.ts
index 4eeb1e9890..77f111c30f 100644
--- a/types/deep-freeze/deep-freeze-tests.ts
+++ b/types/deep-freeze/deep-freeze-tests.ts
@@ -1,8 +1,7 @@
-
-
 import df = require('deep-freeze');
 
 class Foo {
-	foo: string;
+    foo: string;
 }
-var foo:Foo = df(new Foo());
+const foo: Foo = df(new Foo());
+const items = [{id: 0, name: 'first'}];