diff --git a/api/tasks.py b/api/tasks.py
index 503311d..5b94fd8 100644
--- a/api/tasks.py
+++ b/api/tasks.py
@@ -13,9 +13,9 @@ logger = logging.getLogger(__name__)
 
 
 env.read_env(os.path.join(BASE_DIR, ".env"))
-PERSON_VERIFY_BASE_URL = env.str("PERSON_VERIFY_BASE_URL")
-OMADA_PROXY_API_KEY = env.str("OMADA_PROXY_API_KEY")
-OMADA_PROXY_URL = env("OMADA_PROXY_URL")
+PERSON_VERIFY_BASE_URL = env.str("PERSON_VERIFY_BASE_URL", default="")  # type: ignore
+OMADA_PROXY_API_KEY = env.str("OMADA_PROXY_API_KEY", default="")  # type: ignore
+OMADA_PROXY_URL = env("OMADA_PROXY_URL", default="")  # type: ignore
 OMADA_SITE_ID = env(
     "OMADA_SITE_ID",
 )