diff --git a/src/App.js b/src/App.js
index 3094f0bef3e50826043822083745888a6c7dac4d..1853f6f1c9c250b3bdcae398e94c9ae79140b24f 100644
--- a/src/App.js
+++ b/src/App.js
@@ -14,7 +14,7 @@ class App extends Component<{}> {
 
     async componentDidMount() {
         const levelData = await LevelData.from(testLevel)
-        levelData.tick()
+        await levelData.tick()
         this.setState({ levelData })
     }