diff --git a/example/shared/core.js b/example/shared/core.js
index eb80987..6b0c05c 100644
--- a/example/shared/core.js
+++ b/example/shared/core.js
@@ -22,11 +22,11 @@
         }
         return state;
     };
-    
+
     exports.getNewEntityState = function (state, deltaTime) {
         
     };
-    
+
     exports.getInterpolatedState = function (previousState, targetState, amount) {
         var interpolationState = {};
         interpolationState.x = (previousState.x + amount * (targetState.x - previousState.x));
@@ -34,4 +34,12 @@
         return interpolationState;
     };
 
+    function s4() {
+        return Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1);
+    }
+
+    function guid() {
+        return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();
+    }
+
 })(typeof exports === 'undefined' ? window.GamePhysics = {} : exports);
\ No newline at end of file
diff --git a/lib/server/garageserver.io.js b/lib/server/garageserver.io.js
index 7bad2dc..37e54a1 100644
--- a/lib/server/garageserver.io.js
+++ b/lib/server/garageserver.io.js
@@ -133,7 +133,7 @@ GarageServer.prototype.removeEntity = function (id) {
 };
 
 GarageServer.prototype.updateEntityState = function (id, state) {
-    
+    this.game.updateEntityState(id, state);
 };
 
 GarageServer.prototype.getEntities = function () {