diff --git a/lib/OpenLayers/Layer/KaMap.js b/lib/OpenLayers/Layer/KaMap.js
index 37291d6c57..2c8e00e2ea 100644
--- a/lib/OpenLayers/Layer/KaMap.js
+++ b/lib/OpenLayers/Layer/KaMap.js
@@ -42,11 +42,11 @@ OpenLayers.Layer.KaMap.prototype =
         var zoom = this.map.getZoom();
         var maxRes = this.map.maxResolution;
         var mapRes = this.map.getResolution();
-        var scale = (((this.tileSize.w * this.map.maxResolution * this.resolution) * (this.scales[this.units])) / this.tileSize.w) / Math.pow(2, zoom);
+        var scale = Math.round( (((this.tileSize.w * this.map.maxResolution * this.resolution) * (this.scales[this.units])) / this.tileSize.w) / Math.pow(2, zoom) * 10000 ) / 10000;
         
         var cellSize = new OpenLayers.Size(mapRes*this.tileSize.w, mapRes*this.tileSize.h);
-        var pX = Math.floor(((bounds.left) / cellSize.w) * this.tileSize.w);
-        var pY = -Math.floor(((bounds.top) / cellSize.h) * this.tileSize.h);
+        var pX = Math.round(((bounds.left) / cellSize.w) * this.tileSize.w);
+        var pY = -Math.round(((bounds.top) / cellSize.h) * this.tileSize.h);
         var url = this.getFullRequestString(
                       { t: pY, 
                         l: pX,