diff --git a/RNTester/js/examples/ActivityIndicator/ActivityIndicatorExample.js b/RNTester/js/examples/ActivityIndicator/ActivityIndicatorExample.js
index b18ceb92934..19f4f4df21f 100644
--- a/RNTester/js/examples/ActivityIndicator/ActivityIndicatorExample.js
+++ b/RNTester/js/examples/ActivityIndicator/ActivityIndicatorExample.js
@@ -42,7 +42,7 @@ class ToggleAnimatingActivityIndicator extends Component<Props, State> {
     }, 2000);
   }
 
-  render() {
+  render(): Node {
     return (
       <ActivityIndicator
         animating={this.state.animating}