diff --git a/lib/OpenLayers/Control/PanZoom.js b/lib/OpenLayers/Control/PanZoom.js
index d69a4d7a40..9566e019a6 100644
--- a/lib/OpenLayers/Control/PanZoom.js
+++ b/lib/OpenLayers/Control/PanZoom.js
@@ -33,8 +33,8 @@ OpenLayers.Control.PanZoom.prototype =
         this._addButton("zoomin", "zoom-plus-mini.png", centered.addY(sz.h*3), sz);
         centered = centered.addY(sz.h*3);
         for (var i=this.map.getZoomLevels(); i--; i>=0) {
-		centered = centered.addY(sz.h);
-        	this._addButton("zoomLevel"+i, "zoom-world-mini.png", centered, sz);
+            centered = centered.addY(sz.h);
+            this._addButton("zoomLevel"+i, "zoom-world-mini.png", centered, sz);
         }
         this._addButton("zoomout", "zoom-minus-mini.png", centered.addY(sz.h), sz);
         return this.div;