diff --git a/dns/dyndns/Makefile b/dns/dyndns/Makefile
index 83f4d3674..2e495075b 100644
--- a/dns/dyndns/Makefile
+++ b/dns/dyndns/Makefile
@@ -1,6 +1,6 @@
 PLUGIN_NAME=		dyndns
 PLUGIN_VERSION=		1.14
-PLUGIN_REVISION=	2
+PLUGIN_REVISION=	3
 PLUGIN_COMMENT=		Dynamic DNS Support
 PLUGIN_MAINTAINER=	franco@opnsense.org
 
diff --git a/dns/dyndns/src/etc/rc.dyndns b/dns/dyndns/src/etc/rc.dyndns
index 2369687ee..49872f4b1 100755
--- a/dns/dyndns/src/etc/rc.dyndns
+++ b/dns/dyndns/src/etc/rc.dyndns
@@ -43,7 +43,7 @@ if (isset($argv[1])) {
 if (empty($argument)) {
     dyndns_configure_do(true);
 } else {
-    $interface = lookup_gateway_interface_by_name($argument);
+    $interface = (new \OPNsense\Routing\Gateways(legacy_interfaces_details()))->getInterfaceName($argument);
     if (empty($interface)) {
         $interface = $argument;
     }
diff --git a/dns/rfc2136/Makefile b/dns/rfc2136/Makefile
index 5e7872ec0..962a399b1 100644
--- a/dns/rfc2136/Makefile
+++ b/dns/rfc2136/Makefile
@@ -1,6 +1,6 @@
 PLUGIN_NAME=		rfc2136
 PLUGIN_VERSION=		1.4
-PLUGIN_REVISION=	2
+PLUGIN_REVISION=	3
 PLUGIN_COMMENT=		RFC-2136 Support
 PLUGIN_MAINTAINER=	franco@opnsense.org
 PLUGIN_DEPENDS=		bind912
diff --git a/dns/rfc2136/src/etc/rc.rfc2136 b/dns/rfc2136/src/etc/rc.rfc2136
index c536001e3..3aff8990d 100755
--- a/dns/rfc2136/src/etc/rc.rfc2136
+++ b/dns/rfc2136/src/etc/rc.rfc2136
@@ -43,7 +43,7 @@ if (isset($argv[1])) {
 if (empty($argument)) {
     rfc2136_configure_do(true);
 } else {
-    $interface = lookup_gateway_interface_by_name($argument);
+    $interface = (new \OPNsense\Routing\Gateways(legacy_interfaces_details()))->getInterfaceName($argument);
     if (empty($interface)) {
         $interface = $argument;
     }