diff --git a/klingel_sender_nano_serial/doorbell.py b/klingel_sender_nano_serial/doorbell.py
index 8715a09..e34488b 100644
--- a/klingel_sender_nano_serial/doorbell.py
+++ b/klingel_sender_nano_serial/doorbell.py
@@ -5,6 +5,7 @@
 import serial
 import urllib.request
 import logging
+import time
 
 logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s - %(message)s')
 logging.info('Initializing')
@@ -21,5 +22,6 @@ while True:
                 response = urllib.request.urlopen('http://192.168.178.51/bell/on', timeout=5).read().decode('utf-8')
             except Exception:
                 logging.exception("Could not ring doorbell")
+                time.sleep(300)
             else:
                 logging.info(data)