diff --git a/main.py b/main.py
index d684e9c..1c8ea6e 100644
--- a/main.py
+++ b/main.py
@@ -82,7 +82,7 @@ def create_modem_for_port(port: str) -> SerialModem:
 
 def timeout_occurred(serial_modem: SerialModem):
     firebase_store_manager.save_timeout_contact(serial_modem.contact)
-    oracle_log_sender.send_log(serial_modem.contact, type=LOG_APPOINTMENT_TIMEOUT)
+    oracle_log_sender.send_log(str(serial_modem.contact.phone_number), type=LOG_APPOINTMENT_TIMEOUT)
 
 
 def start_to_handle_sms(serial_modem: SerialModem):