diff --git a/server/create-entity-for-connection.js b/server/create-entity-for-connection.js
index 05cd65a..0f4abad 100644
--- a/server/create-entity-for-connection.js
+++ b/server/create-entity-for-connection.js
@@ -28,6 +28,7 @@ export function createEntityForConnection(socket) {
       },
       collider: {
         params: {
+          activeCollision: true,
           collidesWithGroups: [
             'default',
             'environmental',
diff --git a/server/fixtures/yarn-ball.entity.js b/server/fixtures/yarn-ball.entity.js
index 2a4ddca..0a12a7c 100644
--- a/server/fixtures/yarn-ball.entity.js
+++ b/server/fixtures/yarn-ball.entity.js
@@ -25,7 +25,6 @@ export function yarnBallJSON() {
       listed: {},
       magnetic: {},
       mobile: {},
-      physical: {},
       pictured: {
         params: {
           images: {