diff --git a/webapp/views/pages/Home.js b/webapp/views/pages/Home.js
index 5175655..c536593 100644
--- a/webapp/views/pages/Home.js
+++ b/webapp/views/pages/Home.js
@@ -54,7 +54,7 @@ class Home extends Component {
             return;
         }
         const value = event && event.target && event.target.value;
-        this.setState({[name]: value || null})
+        this.setState({[name]: value || undefined})
     }
 
 }