diff --git a/lib/OpenLayers/Map.js b/lib/OpenLayers/Map.js
index d95b2ba5ee..4ad20955f0 100644
--- a/lib/OpenLayers/Map.js
+++ b/lib/OpenLayers/Map.js
@@ -8,7 +8,7 @@
 OpenLayers.Map = Class.create();
 OpenLayers.Map.prototype = {
     // Hash: base z-indexes for different classes of thing 
-    Z_INDEX_BASE: { Layer: 100, Popup: 200, Control: 250 },
+    Z_INDEX_BASE: { Layer: 100, Popup: 200, Control: 1000 },
 
     // Array: supported application event types
     EVENT_TYPES: [