diff --git a/app/ecs-components/forces.js b/app/ecs-components/forces.js
index 2dd7290..8412efb 100644
--- a/app/ecs-components/forces.js
+++ b/app/ecs-components/forces.js
@@ -1,4 +1,6 @@
 export default {
+  forceX: {type: 'float32'},
+  forceY: {type: 'float32'},
   impulseX: {type: 'float32'},
   impulseY: {type: 'float32'},
 }