diff --git a/rq/worker.py b/rq/worker.py
index 5de56b5..6a32f8a 100644
--- a/rq/worker.py
+++ b/rq/worker.py
@@ -310,7 +310,7 @@ class Worker(object):
                 except StopRequested:
                     break
                 except UnpickleError as e:
-                    job = Job.safe_fetch(e.job_id, self.connection)
+                    job = Job.safe_fetch(e.job_id, connection=self.connection)
                     self.handle_exception(job, *sys.exc_info())
                     continue