diff --git a/src/physics/arcade/World.js b/src/physics/arcade/World.js
index 05dc112ad..b5971349a 100644
--- a/src/physics/arcade/World.js
+++ b/src/physics/arcade/World.js
@@ -1304,6 +1304,8 @@ var World = new Class({
     collideObjects: function (object1, object2, collideCallback, processCallback, callbackContext, overlapOnly)
     {
         var i;
+        object1 = object1.hasOwnProperty('children') ? object1.children.entries : object1;
+        object2 = object2.hasOwnProperty('children') ? object2.children.entries : object2;
         var object1isArray = Array.isArray(object1);
         var object2isArray = Array.isArray(object2);