diff --git a/pyworker/job.py b/pyworker/job.py
index d0338aa..c4831f6 100644
--- a/pyworker/job.py
+++ b/pyworker/job.py
@@ -28,6 +28,8 @@ def __init__(self, class_name, database, logger,
         self.job_id = job_id
         self.job_name = '%s#run' % class_name
         self.attempts = attempts
+        if max_backoff_delay_seconds:
+            max_backoff_delay_seconds = max(max_backoff_delay_seconds, 2) # max_backoff_delay_seconds can not be less than 2 seconds
         self.max_backoff_delay_seconds = max_backoff_delay_seconds
         self.run_at = run_at
         self.queue = queue