diff --git a/src/iiiftilesource.js b/src/iiiftilesource.js
index 1649a096..98cfa166 100644
--- a/src/iiiftilesource.js
+++ b/src/iiiftilesource.js
@@ -63,19 +63,24 @@ $.IIIFTileSource = function( options ){
     //      to store it.  It may be possible to make tileSize a vector
     //      OpenSeadraon.Point but would require careful implementation
     //      to preserve backward compatibility.
-    options.tileSize = this.tile_width;    
-    if (! options.maxLevel){
+    options.tileSize = this.tile_width;
+
+    if (! options.maxLevel) {
         var mf = -1;
-        if (this.scale_factor instanceof Array){
+        if (this.scale_factor instanceof Array) {
             for (var i = 0;i < this.scale_factor.length;i++)
             {
                 var cf = Number(this.scale_factor[i]);
-                if (!isNaN(cf) && cf > mf) mf = cf;
+                if (!isNaN(cf) && cf > mf) { mf = cf; }
             }
         }
-        if ( mf < 0 ) options.maxLevel = Number(Math.ceil(Math.log(Math.max(this.width, this.height ), 2)));
-        else options.maxLevel = mf;
-    }    
+        if ( mf < 0 ) {
+           options.maxLevel = Number(Math.ceil(Math.log(Math.max(this.width, this.height ), 2)));
+        } else { 
+           options.maxLevel = mf; 
+        }
+    }   
+     
     $.TileSource.apply( this, [ options ] );
 };