diff --git a/code/ddns-lambda.py b/code/ddns-lambda.py
index 0394481..22facef 100755
--- a/code/ddns-lambda.py
+++ b/code/ddns-lambda.py
@@ -1269,7 +1269,7 @@ def new_list_hosted_zones_by_vpc(client, instance_id, vpc_id, region):
             if not token:
                 this_hosted_zones = client.list_hosted_zones_by_vpc(
                     VPCId=vpc_id, VPCRegion=region, MaxItems='100')
-                hosted_zones.extend(this_hosted_zone['HostedZoneSummaries'])
+                hosted_zones.extend(this_hosted_zones['HostedZoneSummaries'])
                 token = this_hosted_zones.get('NextToken', None)
                 LOGGER.debug(
                     f"list_hosted_zones_by_vpc retry {i} iteration {c} returned without error (more available) {token!=None}. {lineno()}")
@@ -1277,7 +1277,7 @@ def new_list_hosted_zones_by_vpc(client, instance_id, vpc_id, region):
                 c += 1
                 this_hosted_zones = client.list_hosted_zones_by_vpc(
                     VPCId=vpc_id, VPCRegion=region, MaxItems='100', NextToken=token)
-                hosted_zones.extend(this_hosted_zone['HostedZoneSummaries'])
+                hosted_zones.extend(this_hosted_zones['HostedZoneSummaries'])
                 token = this_hosted_zones.get('NextToken', None)
                 LOGGER.debug(
                     f"list_hosted_zones_by_vpc retry {i} iteration {c} returned without error (more available) {token!=None}. {lineno()}")