diff --git a/lib/OpenLayers/Events.js b/lib/OpenLayers/Events.js
index 90fdba8eea..79f7087f2c 100644
--- a/lib/OpenLayers/Events.js
+++ b/lib/OpenLayers/Events.js
@@ -261,11 +261,12 @@ OpenLayers.Event = {
      *   stopObservingElement on each. 
      */
     unloadCache: function() {
-        if (!OpenLayers.Event.observers) return;
-        for (var elementId in OpenLayers.Event.observers) {
-            OpenLayers.Event.stopObservingElement.apply(this, [elementId]);
+        if (OpenLayers.Event.observers) {
+            for (var elementId in OpenLayers.Event.observers) {
+                OpenLayers.Event.stopObservingElement.apply(this, [elementId]);
+            }
+            OpenLayers.Event.observers = false;
         }
-        OpenLayers.Event.observers = false;
     },
     
     /** @final @type String */