diff --git a/README.md b/README.md
index 0106e9ad7..af861d2ae 100644
--- a/README.md
+++ b/README.md
@@ -318,7 +318,7 @@ You can read all about the philosophy behind Lazer [here](http://phaser.io/news/
 
 ### Bug Fixes
 
-*
+* Fixed `Uncaught TypeError: Cannot set property 'x' of undefined` in Body.js (thanks @ErwanErwan #2607)
 *
 *
 
diff --git a/src/physics/arcade/World.js b/src/physics/arcade/World.js
index fa28a2935..35d37dbdb 100644
--- a/src/physics/arcade/World.js
+++ b/src/physics/arcade/World.js
@@ -706,7 +706,7 @@ Phaser.Physics.Arcade.prototype = {
 
         if (this.skipQuadTree || sprite.body.skipQuadTree)
         {
-            var bounds;
+            var bounds = {};
 
             for (var i = 0; i < group.hash.length; i++)
             {