diff --git a/lib/loadObj.js b/lib/loadObj.js
index e26fb34..4bf6388 100644
--- a/lib/loadObj.js
+++ b/lib/loadObj.js
@@ -160,7 +160,9 @@ function loadObj(objPath, options) {
     var normal = new Cartesian3();
     var ray = new Ray();
     var plane = new Plane(Cesium.Cartesian3.UNIT_X, 0);
+
     function projectTo2D(positions) {
+        var i;
         var positions2D = new Array(positions.length);
         var obb = OrientedBoundingBox.fromPoints(positions);
         var halfAxes = obb.halfAxes;
@@ -175,7 +177,6 @@ function loadObj(objPath, options) {
 
         // If all the points are on a line, just remove one of the zero dimensions
         if (xMag === 0 && (yMag === 0 || zMag === 0)) {
-            var i;
             for (i = 0; i < positions.length; i++) {
                 positions2D[i] = new Cartesian2(positions[i].y, positions[i].z);
             }
@@ -328,15 +329,14 @@ function loadObj(objPath, options) {
 
     // Given the cartesian 2 vertices of a polygon, determine if convex
     function isConvex(positions2D) {
-       var i;
-       var turnDirection = getTurnDirection(positions2D[0], positions2D[1], positions2D[2]);
-       for (i=1; i < positions2D.length-2; ++i) {
-           var currentTurnDirection = getTurnDirection(positions2D[i], positions2D[i+1], positions2D[i+2]);
+        var turnDirection = getTurnDirection(positions2D[0], positions2D[1], positions2D[2]);
+        for (var i=1; i < positions2D.length-2; ++i) {
+        var currentTurnDirection = getTurnDirection(positions2D[i], positions2D[i+1], positions2D[i+2]);
             if (turnDirection * currentTurnDirection < 0) {
                 return false;
             }
-       }
-       return true;
+        }
+        return true;
     }
 
     var scratch3 = new Cartesian3();
@@ -470,7 +470,7 @@ function loadObj(objPath, options) {
             }
             lineBuffer += line;
             if (lineBuffer.substring(0, 2) === 'f ') {
-                while ( (result = facePattern.exec(lineBuffer)) !== null  ) {
+                while ((result = facePattern.exec(lineBuffer)) !== null) {
                     faceVertices.push(result[0]);
                     facePositions.push(result[1]);
                     faceUvs.push(result[2]);