diff --git a/providers/apache/cassandra/src/airflow/providers/apache/cassandra/hooks/cassandra.py b/providers/apache/cassandra/src/airflow/providers/apache/cassandra/hooks/cassandra.py
index cdf21aad1bf43..821e0678213ae 100644
--- a/providers/apache/cassandra/src/airflow/providers/apache/cassandra/hooks/cassandra.py
+++ b/providers/apache/cassandra/src/airflow/providers/apache/cassandra/hooks/cassandra.py
@@ -100,7 +100,7 @@ def __init__(self, cassandra_conn_id: str = default_conn_name):
         if conn.login:
             conn_config["auth_provider"] = PlainTextAuthProvider(username=conn.login, password=conn.password)
 
-        policy_name = conn.extra_dejson.get("load_balancing_policy", None)
+        policy_name = str(conn.extra_dejson.get("load_balancing_policy", "undefined"))
         policy_args = conn.extra_dejson.get("load_balancing_policy_args", {})
         lb_policy = self.get_lb_policy(policy_name, policy_args)
         if lb_policy: