diff --git a/lib/OpenLayers/Control/PanZoomBar.js b/lib/OpenLayers/Control/PanZoomBar.js
index 42ae464ee9..b398c39815 100644
--- a/lib/OpenLayers/Control/PanZoomBar.js
+++ b/lib/OpenLayers/Control/PanZoomBar.js
@@ -53,7 +53,7 @@ OpenLayers.Control.PanZoomBar.prototype =
         
         var zoomStopSize = this.zoomStopHeight;
         var slider = OpenLayers.Util.createAlphaImageDiv(imgLocation+"slider.png",
-                       new OpenLayers.Pixel(20,9), 
+                       new OpenLayers.Size(20,9), 
                        centered.add(-1, (this.map.getZoomLevels())*zoomStopSize), "absolute",
                        "OpenLayers_Control_PanZoomBar_Slider" + this.map.id);
         slider.style.zIndex = this.div.zIndex + 5;