diff --git a/lib/OpenLayers/Map.js b/lib/OpenLayers/Map.js
index f19ba55764..d612577d06 100644
--- a/lib/OpenLayers/Map.js
+++ b/lib/OpenLayers/Map.js
@@ -622,15 +622,17 @@ OpenLayers.Map = OpenLayers.Class({
      */
     setLayerIndex: function (layer, idx) {
         var base = this.getLayerIndex(layer);
-        if (idx < 0) 
+        if (idx < 0) {
             idx = 0;
-        else if (idx > this.layers.length)
+        } else if (idx > this.layers.length) {
             idx = this.layers.length;
+        }
         if (base != idx) {
             this.layers.splice(base, 1);
             this.layers.splice(idx, 0, layer);
-            for (var i = 0; i < this.layers.length; i++)
+            for (var i = 0; i < this.layers.length; i++) {
                 this.setLayerZIndex(this.layers[i], i);
+            }
             this.events.triggerEvent("changelayer");
         }
     },