diff --git a/interface-definitions/vpn_sstp.xml.in b/interface-definitions/vpn_sstp.xml.in
index c85cab7dc..195d581df 100644
--- a/interface-definitions/vpn_sstp.xml.in
+++ b/interface-definitions/vpn_sstp.xml.in
@@ -1,79 +1,69 @@
 <?xml version="1.0"?>
 <interfaceDefinition>
   <node name="vpn">
     <children>
       <node name="sstp" owner="${vyos_conf_scripts_dir}/vpn_sstp.py">
         <properties>
           <help>Secure Socket Tunneling Protocol (SSTP) server</help>
           <priority>901</priority>
         </properties>
         <children>
           <node name="authentication">
             <properties>
               <help>Authentication for remote access SSTP Server</help>
             </properties>
             <children>
               #include <include/accel-ppp/auth-local-users.xml.i>
               #include <include/accel-ppp/auth-mode.xml.i>
               #include <include/accel-ppp/auth-protocols.xml.i>
               #include <include/radius-server-ipv4.xml.i>
               #include <include/accel-ppp/radius-additions.xml.i>
               <node name="radius">
                 <children>
                   #include <include/accel-ppp/radius-additions-rate-limit.xml.i>
                 </children>
               </node>
             </children>
           </node>
           #include <include/interface/mtu-68-1500.xml.i>
           #include <include/accel-ppp/gateway-address.xml.i>
           #include <include/name-server-ipv4-ipv6.xml.i>
           <node name="client-ip-pool">
             <properties>
               <help>Client IP pools and gateway setting</help>
             </properties>
             <children>
               #include <include/accel-ppp/client-ip-pool-subnet.xml.i>
             </children>
           </node>
           #include <include/accel-ppp/client-ipv6-pool.xml.i>
+          #include <include/port-number.xml.i>
           <leafNode name="port">
-            <properties>
-              <help>SSTP server listening port</help>
-              <valueHelp>
-                <format>u32:1-65535</format>
-                <description>SSTP server listening port</description>
-              </valueHelp>
-              <constraint>
-                <validator name="numeric" argument="--range 1-65535"/>
-              </constraint>
-              <constraintErrorMessage>SSTP server listening port must be between 1 and 65535</constraintErrorMessage>
-            </properties>
             <defaultValue>443</defaultValue>
           </leafNode>
           <node name="ppp-options">
             <properties>
               <help>PPP (Point-to-Point Protocol) settings</help>
             </properties>
             <children>
               #include <include/accel-ppp/ppp-mppe.xml.i>
               #include <include/accel-ppp/ppp-options-ipv4.xml.i>
               #include <include/accel-ppp/ppp-options-ipv6.xml.i>
               #include <include/accel-ppp/lcp-echo-interval-failure.xml.i>
               #include <include/accel-ppp/lcp-echo-timeout.xml.i>
             </children>
           </node>
           <node name="ssl">
             <properties>
               <help>SSL Certificate, SSL Key and CA</help>
             </properties>
             <children>
               #include <include/pki/ca-certificate.xml.i>
               #include <include/pki/certificate.xml.i>
             </children>
           </node>
         </children>
       </node>
     </children>
   </node>
 </interfaceDefinition>