diff --git a/lib/abstract-class.js b/lib/abstract-class.js
index 599b4dbb..c70445f5 100644
--- a/lib/abstract-class.js
+++ b/lib/abstract-class.js
@@ -490,20 +490,31 @@ AbstractClass.hasMany = function (anotherClass, params) {
 AbstractClass.belongsTo = function (anotherClass, params) {
     var methodName = params.as;
     var fk = params.foreignKey;
-    this.schema.defineForeignKey(anotherClass.modelName, fk);
-    this.prototype[methodName] = function (p, cb) {
+    this.prototype['__finders__'] = this.prototype['__finders__'] || {}
+
+    this.prototype['__finders__'][methodName] = function (id, cb) {
+        anotherClass.find(id, function (err,inst) {
+            if (err) return cb(err);
+            if (inst[fk] === this.id) {
+                cb(null, inst);
+            } else {
+                cb(new Error('Permission denied'));
+            }
+        }.bind(this));
+    }
+
+    this.prototype[methodName] = function (p) {
         if (p instanceof AbstractClass) { // acts as setter
             this[fk] = p.id;
             this.cachedRelations[methodName] = p;
         } else if (typeof p === 'function') { // acts as async getter
-            this.find(this[fk], function (err, obj) {
-                if (err) return p(err);
-                this.cachedRelations[methodName] = obj;
-            }.bind(this));
+            this.__finders__[methodName](this[fk],p);
         } else if (!p) { // acts as sync getter
-            return this.cachedRelations[methodName] || this[fk];
+            return this[fk];
         }
     };
+    console.log(this.prototype);
+
 };
 
 AbstractClass.scope = function (name, params) {