diff --git a/etk/Hach.h b/etk/Hach.h
index 78cf9c0..b0bd752 100644
--- a/etk/Hach.h
+++ b/etk/Hach.h
@@ -201,5 +201,8 @@ namespace etk
 	};
 };
 
+#undef __class__
+#define __class__	NULL
+
 #endif