diff --git a/lib/model-builder.js b/lib/model-builder.js
index 9ab831ad..07d7c838 100644
--- a/lib/model-builder.js
+++ b/lib/model-builder.js
@@ -154,7 +154,7 @@ ModelBuilder.prototype.define = function defineClass(className, properties, sett
         var events = new EventEmitter();
         for (var f in EventEmitter.prototype) {
             if (typeof EventEmitter.prototype[f] === 'function') {
-                ModelClass[f] = events[f].bind(events);
+                ModelClass[f] = EventEmitter.prototype[f].bind(events);
             }
         }
         util.inherits(ModelClass, ModelBaseClass);
@@ -178,9 +178,10 @@ ModelBuilder.prototype.define = function defineClass(className, properties, sett
 
     // inherit ModelBaseClass static methods
     for (var i in ModelBaseClass) {
-      if(i !== '_mixins') {
-        ModelClass[i] = ModelBaseClass[i];
-      }
+        // We need to skip properties that are already in the subclass, for example, the event emitter methods
+        if(i !== '_mixins' && !(i in ModelClass)) {
+            ModelClass[i] = ModelBaseClass[i];
+        }
     }
     
     ModelClass.getter = {};