diff --git a/demo/js/Demo.js b/demo/js/Demo.js
index 6ed3ca8..d896742 100644
--- a/demo/js/Demo.js
+++ b/demo/js/Demo.js
@@ -1331,7 +1331,7 @@
             Events.off(_engine, _sceneEvents[i]);
 
         if (_mouseConstraint.events) {
-            for (var i = 0; i < _sceneEvents.length; i++)
+            for (i = 0; i < _sceneEvents.length; i++)
                 Events.off(_mouseConstraint, _sceneEvents[i]);
         }
 
diff --git a/src/core/Sleeping.js b/src/core/Sleeping.js
index 568e8e6..4f18a8f 100644
--- a/src/core/Sleeping.js
+++ b/src/core/Sleeping.js
@@ -8,8 +8,8 @@ var Sleeping = {};
 
 (function() {
 
-    Sleeping._motionWakeThreshold = 0.18,
-    Sleeping._motionSleepThreshold = 0.08,
+    Sleeping._motionWakeThreshold = 0.18;
+    Sleeping._motionSleepThreshold = 0.08;
     Sleeping._minBias = 0.9;
 
     /**