diff --git a/lib/class.js b/lib/class.js
index f084362..9bfbbe9 100644
--- a/lib/class.js
+++ b/lib/class.js
@@ -25,6 +25,9 @@
 var util         = require( __dirname + '/util' ),
     ClassBuilder = require( __dirname + '/ClassBuilder' ),
 
+    warn    = require( __dirname + '/warn' ),
+    Warning = warn.Warning,
+
     MethodWrapperFactory = require( __dirname + '/MethodWrapperFactory' ),
     wrappers             = require( __dirname + '/MethodWrappers' ).standard,
 
@@ -32,7 +35,12 @@ var util         = require( __dirname + '/util' ),
         require( __dirname + '/MemberBuilder' )(
             MethodWrapperFactory( wrappers.wrapNew ),
             MethodWrapperFactory( wrappers.wrapOverride ),
-            require( __dirname + '/MemberBuilderValidator' )()
+            require( __dirname + '/MemberBuilderValidator' )(
+                function( warning )
+                {
+                    warn.handle( Warning( warning ) );
+                }
+            )
         ),
         require( __dirname + '/VisibilityObjectFactoryFactory' )
             .fromEnvironment()