diff --git a/packages/physics/src/traits/shaped.js b/packages/physics/src/traits/shaped.js
index 768a21b..fd6f331 100644
--- a/packages/physics/src/traits/shaped.js
+++ b/packages/physics/src/traits/shaped.js
@@ -16,7 +16,11 @@ export default () => class Shaped extends decorate(Trait) {
   static defaultParams() {
     return {
       isDebugging: false,
-      shape: undefined,
+      shape: {
+        type: 'rectangle',
+        position: [0, 0],
+        size: [0, 0],
+      },
     };
   }
 
diff --git a/packages/timing/src/traits/animated.js b/packages/timing/src/traits/animated.js
index a77383b..744e869 100644
--- a/packages/timing/src/traits/animated.js
+++ b/packages/timing/src/traits/animated.js
@@ -204,10 +204,10 @@ export default (latus) => class Animated extends decorate(Trait) {
 
   async load(json) {
     await super.load(json);
-    if (Object.keys(json.params.animations).length > 0) {
+    if (Object.keys(this.params.animations).length > 0) {
       const {Animation} = latus.get('%resources');
       const animations = await mapValuesAsync(
-        json.params.animations,
+        this.params.animations,
         (json) => Animation.load(json),
       );
       const animationViews = mapValues(