diff --git a/code/ddns-lambda.py b/code/ddns-lambda.py
index c740516..ac00be8 100755
--- a/code/ddns-lambda.py
+++ b/code/ddns-lambda.py
@@ -504,7 +504,7 @@ def lambda_handler(
 ##    LOGGER.debug("private_hosted_zones: %s", str(list(private_hosted_zones)) + lineno())
     private_hosted_zones_by_vpc = get_private_hosted_zones_by_vpc(hosted_zones_by_vpc)
     LOGGER.debug("private_hosted_zones_by_vpc: vpc_id: %s, %s",
-                 vpc_id, str(list(private_hosted_zones)) + lineno())
+                 vpc_id, str(list(private_hosted_zones_by_vpc)) + lineno())
 # private_hosted_zone_collection = get_private_hosted_zone_collection(
 # private_hosted_zones)
 # LOGGER.debug("private_hosted_zone_collection: %s",