From 02b63a5f9e441a02b6e22ad8b3f8e66c10a996fc Mon Sep 17 00:00:00 2001
From: Cristian Bica <cristian.bica@gmail.com>
Date: Sat, 30 Aug 2014 00:04:01 +0300
Subject: Fixed Active Job Backburner adapter

---
 activejob/lib/active_job/queue_adapters/backburner_adapter.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/activejob/lib/active_job/queue_adapters/backburner_adapter.rb b/activejob/lib/active_job/queue_adapters/backburner_adapter.rb
index 8d34155645..8ebee36e45 100644
--- a/activejob/lib/active_job/queue_adapters/backburner_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/backburner_adapter.rb
@@ -9,7 +9,7 @@ module ActiveJob
         end
 
         def enqueue_at(job, timestamp, *args)
-          delay = Time.current.to_f - timestamp
+          delay = timestamp - Time.current.to_f
           Backburner::Worker.enqueue JobWrapper, [ job.name, *args ], queue: job.queue_name, delay: delay
         end
       end
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