diff --git a/lib/OpenLayers/Renderer/VML.js b/lib/OpenLayers/Renderer/VML.js
index 2d63dd0b25..08f65e25a0 100644
--- a/lib/OpenLayers/Renderer/VML.js
+++ b/lib/OpenLayers/Renderer/VML.js
@@ -264,23 +264,24 @@ OpenLayers.Renderer.VML = OpenLayers.Class(OpenLayers.Renderer.Elements, {
     setNodeDimension: function(node, geometry) {
 
         var bbox = geometry.getBounds();
-
-        var resolution = this.getResolution();
-    
-        var scaledBox = 
-            new OpenLayers.Bounds((bbox.left/resolution).toFixed(),
-                                  (bbox.bottom/resolution).toFixed(),
-                                  (bbox.right/resolution).toFixed(),
-                                  (bbox.top/resolution).toFixed());
+        if(bbox) {
+            var resolution = this.getResolution();
         
-        // Set the internal coordinate system to draw the path
-        node.style.left = scaledBox.left;
-        node.style.top = scaledBox.top;
-        node.style.width = scaledBox.getWidth();
-        node.style.height = scaledBox.getHeight();
-
-        node.coordorigin = scaledBox.left + " " + scaledBox.top;
-        node.coordsize = scaledBox.getWidth()+ " " + scaledBox.getHeight();
+            var scaledBox = 
+                new OpenLayers.Bounds((bbox.left/resolution).toFixed(),
+                                      (bbox.bottom/resolution).toFixed(),
+                                      (bbox.right/resolution).toFixed(),
+                                      (bbox.top/resolution).toFixed());
+            
+            // Set the internal coordinate system to draw the path
+            node.style.left = scaledBox.left;
+            node.style.top = scaledBox.top;
+            node.style.width = scaledBox.getWidth();
+            node.style.height = scaledBox.getHeight();
+    
+            node.coordorigin = scaledBox.left + " " + scaledBox.top;
+            node.coordsize = scaledBox.getWidth()+ " " + scaledBox.getHeight();
+        }
     },
 
     /**
@@ -387,16 +388,17 @@ OpenLayers.Renderer.VML = OpenLayers.Class(OpenLayers.Renderer.Elements, {
      * radius - {float}
      */
     drawCircle: function(node, geometry, radius) {
-
-        var resolution = this.getResolution();
-    
-        node.style.left = (geometry.x /resolution).toFixed() - radius;
-        node.style.top = (geometry.y /resolution).toFixed() - radius;
-
-        var diameter = radius * 2;
+        if(!isNaN(geometry.x)&& !isNaN(geometry.y)) {
+            var resolution = this.getResolution();
         
-        node.style.width = diameter;
-        node.style.height = diameter;
+            node.style.left = (geometry.x /resolution).toFixed() - radius;
+            node.style.top = (geometry.y /resolution).toFixed() - radius;
+    
+            var diameter = radius * 2;
+            
+            node.style.width = diameter;
+            node.style.height = diameter;
+        }
     },