diff --git a/src/game-lib-system-physics.js b/src/game-lib-system-physics.js
index 1485e03..00fcc00 100644
--- a/src/game-lib-system-physics.js
+++ b/src/game-lib-system-physics.js
@@ -86,7 +86,7 @@ GameLib.System.Physics.prototype.beforeRender = function(data) {
     this.worlds.map(
         function(world) {
 
-            if (world.loaded && world.instance) {
+            if (world.instance) {
 
                 world.instance.step(data.delta);