diff --git a/lib/pdns.sh b/lib/pdns.sh
index 3ba0919..4e330e1 100644
--- a/lib/pdns.sh
+++ b/lib/pdns.sh
@@ -53,7 +53,7 @@ PDNS_api=yes
 PDNS_api_key=$PDNS_APIKEY
 PDNSCONF_API_KEY=$PDNS_APIKEY
 PDNS_webserver=yes
-PDNS_webserver-allow-from=127.0.0.1,10.0.0.0/8,172.0.0.0/8,192.0.0.0/24,192.168.0.0/16
+PDNS_webserver_allow_from=127.0.0.1,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16
 PDNS_webserver_address=0.0.0.0
 PDNS_webserver_password=$PDNS_WEBSERVER_PASSWORD
 PDNS_version_string=anonymous