diff --git a/lib/Instance.js b/lib/Instance.js
index ea9def2..dd84802 100644
--- a/lib/Instance.js
+++ b/lib/Instance.js
@@ -35,8 +35,8 @@ function Instance(model, doc, isNew) {
 	for(var property in doc)
 		schema[property] = false;
 	
-	for(var property in model.options.schema)
-		schema[property] = model.options.schema[property];
+	for(var property in model.schema)
+		schema[property] = model.schema[property];
 	
 	for(var targetProperty in schema) {
 		(function(targetProperty) {