diff --git a/lib/Associations/Many.js b/lib/Associations/Many.js
index b2d099a4..6c89ea28 100644
--- a/lib/Associations/Many.js
+++ b/lib/Associations/Many.js
@@ -1,6 +1,7 @@
 var InstanceConstructor = require("../Instance").Instance;
 var Singleton           = require("../Singleton");
 var Settings            = require("../Settings");
+var Property            = require("../Property");
 
 exports.prepare = function (Model, associations) {
 	Model.hasMany = function () {
@@ -28,6 +29,10 @@ exports.prepare = function (Model, associations) {
 		}
 		if (props === null) {
 			props = {};
+		} else {
+			for (var k in props) {
+				props[k] = Property.check(props[k]);
+			}
 		}
 
 		var assocName = opts.name || ucfirst(name);