diff --git a/lib/delayed/job.rb b/lib/delayed/job.rb
index b05100e51..cf2e29b61 100644
--- a/lib/delayed/job.rb
+++ b/lib/delayed/job.rb
@@ -83,7 +83,7 @@ def self.enqueue(*args, &block)
       end
     
       priority = args.first || 0
-      run_at   = args.second
+      run_at   = args[1]
 
       Job.create(:payload_object => object, :priority => priority.to_i, :run_at => run_at)
     end
@@ -248,4 +248,4 @@ def perform
       eval(@job)
     end
   end
-end
\ No newline at end of file
+end