diff --git a/lib/OpenLayers/Layer.js b/lib/OpenLayers/Layer.js
index 40bace6d57..807500e061 100644
--- a/lib/OpenLayers/Layer.js
+++ b/lib/OpenLayers/Layer.js
@@ -62,7 +62,7 @@ OpenLayers.Layer.prototype = {
             this.name = name;
             
             //generate unique id based on name
-            this.id = OpenLayers.Util.createUniqueID(name);
+            this.id = OpenLayers.Util.createUniqueID("Layer_");
             
             if (this.div == null) {
                 this.div = OpenLayers.Util.createDiv();
diff --git a/lib/OpenLayers/Tile.js b/lib/OpenLayers/Tile.js
index d2754e1774..f0ed46b63a 100644
--- a/lib/OpenLayers/Tile.js
+++ b/lib/OpenLayers/Tile.js
@@ -50,7 +50,7 @@ OpenLayers.Tile.prototype = {
             this.size = size;
 
             //give the tile a unique id based on its BBOX.
-            this.id = OpenLayers.Util.createUniqueID(bounds.toBBOX());
+            this.id = OpenLayers.Util.createUniqueID("Tile_");
         }
     },
     
diff --git a/tests/test_Layer.html b/tests/test_Layer.html
index a852d28eff..cc15c065fc 100644
--- a/tests/test_Layer.html
+++ b/tests/test_Layer.html
@@ -15,7 +15,7 @@
 
         t.eq( layer.name, "Test Layer", "layer.name is correct" );
         t.ok( layer.id != null, "Layer is given an id");
-        t.ok( layer.id.startsWith(layer.name), "layer id starts with layer name");
+        t.ok( layer.id.startsWith("Layer_"), "layer id starts correctly");
         t.ok( layer.projection, "none", "default layer projection correctly set");
         t.ok( ((layer.chicken == 151) && (layer.foo == "bar")), "layer.options correctly set to Layer Object" );
         t.ok( ((layer.options["chicken"] == 151) && (layer.options["foo"] == "bar")), "layer.options correctly backed up" );
diff --git a/tests/test_Tile.html b/tests/test_Tile.html
index ddea9016d8..180e5601c9 100644
--- a/tests/test_Tile.html
+++ b/tests/test_Tile.html
@@ -23,7 +23,7 @@
         t.ok( tile.size.equals(size), "tile.size is set correctly" );
 
         t.ok( tile.id != null, "tile is given an id");
-        t.ok( tile.id.startsWith(bounds.toBBOX()), "tile's id starts with bbox of bounds");
+        t.ok( tile.id.startsWith("Tile_"), "tile's id starts correctly");
     }