diff --git a/lib/abstract-class.js b/lib/abstract-class.js
index ae4918c5..2b9c63df 100644
--- a/lib/abstract-class.js
+++ b/lib/abstract-class.js
@@ -133,7 +133,7 @@ AbstractClass.whatTypeName = function (propName) {
 AbstractClass._forDB = function (data) {
     var res = {};
     Object.keys(data).forEach(function (propName) {
-        if (this.whatTypeName(propName) === 'JSON' || data[propName] instanceof Array) {
+        if (this.whatTypeName(propName) === 'JSON') {
             res[propName] = JSON.stringify(data[propName]);
         } else {
             res[propName] = data[propName];
diff --git a/lib/schema.js b/lib/schema.js
index 305aeaed..0ae4b735 100644
--- a/lib/schema.js
+++ b/lib/schema.js
@@ -242,6 +242,9 @@ Schema.prototype.define = function defineClass(className, properties, settings)
 
     return NewClass;
 
+
+};
+
     function standartize(properties, settings) {
         Object.keys(properties).forEach(function (key) {
             var v = properties[key];
@@ -257,9 +260,6 @@ Schema.prototype.define = function defineClass(className, properties, settings)
         // or {timestamps: {created: 'created_at', updated: false}}
         // by default property names: createdAt, updatedAt
     }
-
-};
-
 /**
  * Define single property named `prop` on `model`
  *
@@ -300,11 +300,9 @@ Schema.prototype.defineProperty = function (model, prop, params) {
  */
 Schema.prototype.extendModel = function (model, props) {
     var t = this;
+    standartize(props, {});
     Object.keys(props).forEach(function (propName) {
         var definition = props[propName];
-        if (typeof definition === 'function' || typeof definition !== 'object') {
-            definition = {type: definition};
-        }
         t.defineProperty(model, propName, definition);
     });
 };