diff --git a/lib/ast.js b/lib/ast.js
index d253b09a..fde574c5 100644
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -69,7 +69,7 @@ function DEFNODE(type, props, methods, base) {
     }
     if (base) base.SUBCLASSES.push(ctor);
     ctor.prototype.CTOR = ctor;
-    ctor.SELF_PROPS = self_props;
+    ctor.SELF_PROPS = props;
     ctor.SUBCLASSES = [];
     if (type) {
         ctor.prototype.TYPE = ctor.TYPE = type;