diff --git a/ch08/hi-order/js/load-website.js b/ch08/hi-order/js/load-website.js
index 1b2287f..867bd8d 100644
--- a/ch08/hi-order/js/load-website.js
+++ b/ch08/hi-order/js/load-website.js
@@ -11,7 +11,7 @@ const LoadWebsite = Component => {
       return 'https://facebook.github.io/react/docs/top-level-api.html';
     }
     handleClick(event) {
-      document.getElementById('frame').src = getUrl();
+      document.getElementById('frame').src = this.getUrl();
     }
     componentDidMount() {
       console.log(ReactDOM.findDOMNode(this));
diff --git a/ch08/hi-order/jsx/load-website.jsx b/ch08/hi-order/jsx/load-website.jsx
index 0168be6..e64c92f 100644
--- a/ch08/hi-order/jsx/load-website.jsx
+++ b/ch08/hi-order/jsx/load-website.jsx
@@ -8,7 +8,7 @@ const LoadWebsite = (Component) => {
       return 'https://facebook.github.io/react/docs/top-level-api.html'
     }
     handleClick(event) {
-      document.getElementById('frame').src = getUrl()
+      document.getElementById('frame').src = this.getUrl()
     }
     componentDidMount() {
       console.log(ReactDOM.findDOMNode(this))