diff --git a/api/sms.py b/api/sms.py
index 16b7b87..52fc234 100644
--- a/api/sms.py
+++ b/api/sms.py
@@ -4,8 +4,8 @@ import json
 import logging
 
 logger = logging.getLogger(__name__)
-api_url = config("SMS_API_URL")
-api_key = config("SMS_API_KEY")
+api_url = config("SMS_API_URL", default="")
+api_key = config("SMS_API_KEY", default="")
 
 
 def send_otp(mobile: str, otp: int, message: str):