diff --git a/docs/walkthroughs/installing-slate.md b/docs/walkthroughs/installing-slate.md
index 2ca7264b5..184836011 100644
--- a/docs/walkthroughs/installing-slate.md
+++ b/docs/walkthroughs/installing-slate.md
@@ -82,7 +82,7 @@ class App extends React.Component {
   }
 
   // On change, update the app's React state with the new editor state.
-  onChange = (state) => {
+  onChange = ({ state }) => {
     this.setState({ state })
   }