diff --git a/src/components/app.js b/src/components/app.js
index 00ec793..9cbaf2a 100644
--- a/src/components/app.js
+++ b/src/components/app.js
@@ -92,6 +92,8 @@ export default class App extends React.PureComponent {
         showNav: false
       };
     }
+	
+	this.navigationItemClicked = this.navigationItemClicked.bind(this);
   }
   toggleNav() {
     this.setState({ showNav: !this.state.showNav });