diff --git a/lib/crono/job.rb b/lib/crono/job.rb
index 746648c..909e045 100644
--- a/lib/crono/job.rb
+++ b/lib/crono/job.rb
@@ -6,13 +6,13 @@ module Crono
   class Job
     include Logging
 
-    attr_accessor :performer, :period, :data, :last_performed_at,
+    attr_accessor :performer, :period, :job_args, :last_performed_at,
                   :next_performed_at, :job_log, :job_logger, :healthy, :execution_interval
 
-    def initialize(performer, period, data)
+    def initialize(performer, period, job_args)
       self.execution_interval = 0.minutes
       self.performer, self.period = performer, period
-      self.data = JSON.generate(data) if data
+      self.job_args = JSON.generate(job_args) 
       self.job_log = StringIO.new
       self.job_logger = Logger.new(job_log)
       self.next_performed_at = period.next
@@ -65,13 +65,11 @@ module Crono
       saved_log = model.reload.log || ''
       log_to_save = saved_log + job_log.string
       model.update(last_performed_at: last_performed_at, log: log_to_save,
-                   healthy: healthy, data: data)
+                   healthy: healthy, args: job_args)
     end
 
     def perform_job
-      args = []
-      args << JSON.parse(data) if data
-      performer.new(*args).perform 
+      performer.new.perform *JSON.parse(job_args)
     rescue StandardError => e
       handle_job_fail(e)
     else
diff --git a/lib/crono/performer_proxy.rb b/lib/crono/performer_proxy.rb
index c03b272..19c9896 100644
--- a/lib/crono/performer_proxy.rb
+++ b/lib/crono/performer_proxy.rb
@@ -1,14 +1,14 @@
 module Crono
   # Crono::PerformerProxy is a proxy used in cronotab.rb semantic
   class PerformerProxy
-    def initialize(performer, scheduler, data)
+    def initialize(performer, scheduler, job_args)
       @performer = performer
       @scheduler = scheduler
-      @data = data
+      @job_args = job_args
     end
 
     def every(period, *args)
-      @job = Job.new(@performer, Period.new(period, *args), @data)
+      @job = Job.new(@performer, Period.new(period, *args), @job_args)
       @scheduler.add_job(@job)
       self
     end
@@ -19,7 +19,7 @@ module Crono
     end
   end
 
-  def self.perform(performer, data=nil)
-    PerformerProxy.new(performer, Crono.scheduler, data)
+  def self.perform(performer, *job_args)
+    PerformerProxy.new(performer, Crono.scheduler, job_args)
   end
 end
diff --git a/lib/generators/crono/install/templates/migrations/create_crono_jobs.rb b/lib/generators/crono/install/templates/migrations/create_crono_jobs.rb
index 2641cd5..3c8c26e 100644
--- a/lib/generators/crono/install/templates/migrations/create_crono_jobs.rb
+++ b/lib/generators/crono/install/templates/migrations/create_crono_jobs.rb
@@ -5,7 +5,7 @@ class CreateCronoJobs < ActiveRecord::Migration
       t.text      :log
       t.datetime  :last_performed_at
       t.boolean   :healthy
-      t.text      :data
+      t.text      :args
       t.timestamps null: false
     end
     add_index :crono_jobs, [:job_id], unique: true
diff --git a/spec/job_spec.rb b/spec/job_spec.rb
index e1efc8a..5e4c63b 100644
--- a/spec/job_spec.rb
+++ b/spec/job_spec.rb
@@ -2,10 +2,10 @@ require 'spec_helper'
 
 describe Crono::Job do
   let(:period) { Crono::Period.new(2.day, at: '15:00') }
-  let(:data) {{some: 'data'}}
-  let(:job) { Crono::Job.new(TestJob, period, nil) }
-  let(:job_with_data) { Crono::Job.new(TestJob, period, data) }
-  let(:failing_job) { Crono::Job.new(TestFailingJob, period, nil) }
+  let(:job_args) {[{some: 'data'}]}
+  let(:job) { Crono::Job.new(TestJob, period, []) }
+  let(:job_with_args) { Crono::Job.new(TestJob, period, job_args) }
+  let(:failing_job) { Crono::Job.new(TestFailingJob, period, []) }
 
   it 'should contain performer and period' do
     expect(job.performer).to be TestJob
@@ -13,7 +13,7 @@ describe Crono::Job do
   end
 
   it 'should contain data as JSON String' do
-    expect(job_with_data.data).to eq '{"some":"data"}'
+    expect(job_with_args.job_args).to eq '[{"some":"data"}]'
   end
 
   describe '#next' do
@@ -69,8 +69,10 @@ describe Crono::Job do
     end
 
     it 'should call perform of performer with data' do
-      expect(TestJob).to receive(:new).with({"some" => "data"})
-      thread = job_with_data.perform.join
+      test_job = double()
+      expect(TestJob).to receive(:new).and_return(test_job)
+      expect(test_job).to receive(:perform).with({'some' => 'data'})
+      thread = job_with_args.perform.join
       expect(thread).to be_stop
     end
 
@@ -98,12 +100,12 @@ describe Crono::Job do
     it 'should update saved job' do
       job.last_performed_at = Time.now
       job.healthy = true
-      job.data = JSON.generate({some: 'data'})
+      job.job_args = JSON.generate([{some: 'data'}])
       job.save
       @crono_job = Crono::CronoJob.find_by(job_id: job.job_id)
       expect(@crono_job.last_performed_at.utc.to_s).to be_eql job.last_performed_at.utc.to_s
       expect(@crono_job.healthy).to be true
-      expect(@crono_job.data).to eq '{"some":"data"}'
+      expect(@crono_job.args).to eq '[{"some":"data"}]'
     end
 
     it 'should save and truncate job log' do
@@ -122,7 +124,7 @@ describe Crono::Job do
     end
 
     it 'should load last_performed_at from DB' do
-      @job = Crono::Job.new(TestJob, period, data)
+      @job = Crono::Job.new(TestJob, period, job_args)
       @job.load
       expect(@job.last_performed_at.utc.to_s).to be_eql @saved_last_performed_at.utc.to_s
     end
diff --git a/spec/performer_proxy_spec.rb b/spec/performer_proxy_spec.rb
index c2f0cfc..e0e1aa5 100644
--- a/spec/performer_proxy_spec.rb
+++ b/spec/performer_proxy_spec.rb
@@ -19,9 +19,9 @@ describe Crono::PerformerProxy do
     Crono.perform(TestJob).once_per 10.minutes
   end
 
-  it 'should add job with data to schedule' do
-    expect(Crono::Job).to receive(:new).with(TestJob, kind_of(Crono::Period), {some: 'data'})
+  it 'should add job with args to schedule' do
+    expect(Crono::Job).to receive(:new).with(TestJob, kind_of(Crono::Period), [:some, {some: 'data'}])
     allow(Crono.scheduler).to receive(:add_job)
-    Crono.perform(TestJob, {some: 'data'}).every(2.days, at: '15:30')
+    Crono.perform(TestJob, :some, {some: 'data'}).every(2.days, at: '15:30')
   end
 end
diff --git a/spec/scheduler_spec.rb b/spec/scheduler_spec.rb
index 8597aa0..2b8f1b9 100644
--- a/spec/scheduler_spec.rb
+++ b/spec/scheduler_spec.rb
@@ -5,7 +5,7 @@ describe Crono::Scheduler do
 
   describe '#add_job' do
     it 'should call Job#load on Job' do
-      @job = Crono::Job.new(TestJob, Crono::Period.new(10.day, at: '04:05'), nil)
+      @job = Crono::Job.new(TestJob, Crono::Period.new(10.day, at: '04:05'), [])
       expect(@job).to receive(:load)
       scheduler.add_job(@job)
     end
@@ -17,7 +17,7 @@ describe Crono::Scheduler do
         Crono::Period.new(3.days, at: 10.minutes.from_now.strftime('%H:%M')),
         Crono::Period.new(1.day, at: 20.minutes.from_now.strftime('%H:%M')),
         Crono::Period.new(7.days, at: 40.minutes.from_now.strftime('%H:%M'))
-      ].map { |period| Crono::Job.new(TestJob, period, nil) }
+      ].map { |period| Crono::Job.new(TestJob, period, []) }
 
       time, jobs = scheduler.next_jobs
       expect(jobs).to be_eql [jobs[0]]
@@ -29,7 +29,7 @@ describe Crono::Scheduler do
         Crono::Period.new(1.day, at: time.strftime('%H:%M')),
         Crono::Period.new(1.day, at: time.strftime('%H:%M')),
         Crono::Period.new(1.day, at: 10.minutes.from_now.strftime('%H:%M'))
-      ].map { |period| Crono::Job.new(TestJob, period, nil) }
+      ].map { |period| Crono::Job.new(TestJob, period, []) }
 
       time, jobs = scheduler.next_jobs
       expect(jobs).to be_eql [jobs[0], jobs[1]]
@@ -40,7 +40,7 @@ describe Crono::Scheduler do
         Crono::Period.new(10.seconds),
         Crono::Period.new(10.seconds),
         Crono::Period.new(1.day, at: 10.minutes.from_now.strftime('%H:%M'))
-      ].map { |period| Crono::Job.new(TestJob, period, nil) }
+      ].map { |period| Crono::Job.new(TestJob, period, []) }
 
       _, next_jobs = scheduler.next_jobs
       expect(next_jobs).to be_eql [jobs[0]]