diff --git a/lib/agenda.js b/lib/agenda.js
index 2d08d2751..c1204e93b 100644
--- a/lib/agenda.js
+++ b/lib/agenda.js
@@ -101,7 +101,11 @@ Agenda.prototype.schedule = function(when, name, data) {
 
 Agenda.prototype.saveJob = function(job, cb) {
   var fn = cb;
-  var props = getJobProperties(job);
+  
+  var props = job.toJSON();
+ 
+  delete props._id;
+  
   if(props.type == 'single')
     this._db.findAndModify({name: props.name, type: 'single'}, {}, {$set: props}, {upsert: true, new: true}, processDbResult);
   else {
@@ -147,7 +151,9 @@ Agenda.prototype.stop = function() {
 function processJobs() {
   var definitions = this._definitions,
       self = this;
+      
   var now = new Date();
+  
   this.jobs({nextRunAt: {$lte: now}}, {sort: {'priority': -1}}, function(err, jobs) {
     if(err) throw(err);
     else fillJobQueue();
@@ -178,12 +184,3 @@ function processJobs() {
     }
   });
 }
-
-function getJobProperties(job) {
-  var props = {};
-  for(var key in job.attrs) {
-    props[key] = job.attrs[key];
-  }
-  delete props._id;
-  return props;
-}
diff --git a/lib/job.js b/lib/job.js
index 529b078f6..824cb57a1 100644
--- a/lib/job.js
+++ b/lib/job.js
@@ -23,6 +23,21 @@ var Job = module.exports = function Job(args) {
   this.attrs = attrs;
 };
 
+Job.prototype.toJSON=function(){ // create a persistable Mongo object -RR
+    var self=this, 
+        attrs=self.attrs||{};
+    return {
+        _id:           attrs._id,
+        name:          attrs.name,
+        data:          attrs.data,
+        priority:      attrs.priority,
+        lastRunAt:     attrs.lastRunAt      ? new Date(attrs.lastRunAt)      : null,
+        lastFinishedAt:attrs.lastFinishedAt ? new Date(attrs.lastFinishedAt) : null,
+        nextRunAt:     attrs.nextRunAt      ? new Date(attrs.nextRunAt)      : null,
+        repeatInterval:attrs.repeatInterval,
+        type:          attrs.type
+    };
+};
 
 Job.prototype.computeNextRunAt = function() {
   var interval = this.attrs.repeatInterval;