diff --git a/lib/OpenLayers/BaseTypes.js b/lib/OpenLayers/BaseTypes.js
index 02e21c8ab5..c09f531bd9 100644
--- a/lib/OpenLayers/BaseTypes.js
+++ b/lib/OpenLayers/BaseTypes.js
@@ -9,7 +9,7 @@ OpenLayers.Class = {
 
     create: function() {
         return function() {
-            if (!arguments || arguments[0] != OpenLayers.Class.isPrototype)
+            if (arguments && arguments[0] != OpenLayers.Class.isPrototype)
                 this.initialize.apply(this, arguments);
         }
     },