diff --git a/lib/relation-definition.js b/lib/relation-definition.js
index aae43be1..cc314f1a 100644
--- a/lib/relation-definition.js
+++ b/lib/relation-definition.js
@@ -213,7 +213,7 @@ RelationDefinition.prototype.applyProperties = function(modelInstance, obj) {
     target[this.keyTo] = source[this.keyTo];
   }
   if (typeof this.properties === 'function') {
-    var data = this.properties.call(this, source);
+    var data = this.properties.call(this, source, target);
     for(var k in data) {
       target[k] = data[k];
     }
diff --git a/test/relations.test.js b/test/relations.test.js
index 8acc391a..8318e73b 100644
--- a/test/relations.test.js
+++ b/test/relations.test.js
@@ -727,7 +727,7 @@ describe('relations', function () {
       Job = db.define('Job', {name: String, type: String});
 
       Category.hasMany(Job, {
-        properties: function(inst) {
+        properties: function(inst, target) {
           if (!inst.jobType) return; // skip
           return { type: inst.jobType };
         },