1 files changed, 4 insertions, 4 deletions
diff --git a/lib/systems/physics_world_control.js b/lib/systems/physics_world_control.js
index 88c60e4..4ba4ec1 100644
--- a/lib/systems/physics_world_control.js
+++ b/lib/systems/physics_world_control.js
@@ -59,20 +59,20 @@ export default class PhysicsWorldControlSystem extends System {
     this.physicalEntities = engine.getNodes(PhysicalNode);
     this.grabAreaEntities = engine.getNodes(GrabAreaNode);
 
-    this.physicalEntities.on('nodeAdded', (event) => {
+    this.physicalEntities.addEventListener('nodeAdded', (event) => {
 
       World.add(this.engine.world, [event.node.body.body]);
     });
-    this.physicalEntities.on('nodeRemoved', (event) => {
+    this.physicalEntities.addEventListener('nodeRemoved', (event) => {
 
       World.remove(this.engine.world, [event.node.body.body]);
     });
 
-    this.grabAreaEntities.on('nodeAdded', (event) => {
+    this.grabAreaEntities.addEventListener('nodeAdded', (event) => {
 
       World.add(this.engine.world, [event.node.grabArea.area]);
     });
-    this.grabAreaEntities.on('nodeRemoved', (event) => {
+    this.grabAreaEntities.addEventListener('nodeRemoved', (event) => {
 
       World.remove(this.engine.world, [event.node.grabArea.area]);
     });