diff --git a/app/ecs/components/controlled.js b/app/ecs/components/controlled.js
index e1eb807..115e8f5 100644
--- a/app/ecs/components/controlled.js
+++ b/app/ecs/components/controlled.js
@@ -35,6 +35,7 @@ export default class Controlled extends Component {
     }
   }
   static properties = {
+    locked: {type: 'uint8'},
     moveUp: {type: 'float32'},
     moveRight: {type: 'float32'},
     moveDown: {type: 'float32'},