diff --git a/react/legacy/react-0.12-tests.ts b/react/legacy/react-0.12-tests.ts
index 27eae4c64..98faad646 100644
--- a/react/legacy/react-0.12-tests.ts
+++ b/react/legacy/react-0.12-tests.ts
@@ -121,7 +121,7 @@ myComponent.reset();
 // Attributes
 // --------------------------------------------------------------------------
 
-var children = ["Hello world", [null], React.DOM.span(null)];
+var children: any[] = ["Hello world", [null], React.DOM.span(null)];
 var divStyle = { // CSSProperties
     flex: "1 1 main-size",
     backgroundImage: "url('hello.png')"