diff --git a/lib/OpenLayers/Map.js b/lib/OpenLayers/Map.js
index 53e39b60c1..a05746275f 100644
--- a/lib/OpenLayers/Map.js
+++ b/lib/OpenLayers/Map.js
@@ -139,7 +139,12 @@ OpenLayers.Map.prototype = {
         } else {
             layer.div.style.zIndex = this.Z_INDEX_BASE['Layer'] + this.layers.length;
         }
-        this.layerContainerDiv.appendChild(layer.div);
+
+        if (layer.viewPortLayer) {
+            this.viewPortDiv.appendChild(layer.div);
+        } else {
+            this.layerContainerDiv.appendChild(layer.div);
+        }
         this.layers.push(layer);
         this.events.triggerEvent("addlayer");
     },