diff --git a/rq/job.py b/rq/job.py
index 0939eed..50ab65e 100644
--- a/rq/job.py
+++ b/rq/job.py
@@ -75,6 +75,7 @@ class Job(object):
         self.ended_at = None
         self._result = None
         self.exc_info = None
+        self.timeout = None
 
 
     # Data access