diff --git a/backend3/net-openvpn b/backend3/net-openvpn
index a78d3cd..e78854e 100755
--- a/backend3/net-openvpn
+++ b/backend3/net-openvpn
@@ -149,6 +149,11 @@ read_client_config()
 		else
 			write_bool_param lzo false
 		fi
+		if grep -qs '^ncp-disable' "$IFACESDIR/$dev/$OVPNCONFIG";then
+			write_bool_param ncp_disable true
+		else
+			write_bool_param ncp_disable false
+		fi
 		if get_config_val "$dev" proto | grep -qs '^tcp';then
 			write_bool_param use_tcp true
 		else
@@ -268,6 +273,9 @@ CLIENT_CONF_TEMPLATE
 	if test_bool "$in_lzo";then
 		echo 'comp-lzo' >>"$IFACESDIR/$dev/$OVPNCONFIG"
 	fi
+	if test_bool "$in_ncp_disable";then
+		echo 'ncp-disable' >>"$IFACESDIR/$dev/$OVPNCONFIG"
+	fi
 
     if is_gost x509 "$cert"; then
         local engine=gost
diff --git a/ui/net-openvpn/ajax.scm b/ui/net-openvpn/ajax.scm
index 240d4a5..ae5f7e2 100644
--- a/ui/net-openvpn/ajax.scm
+++ b/ui/net-openvpn/ajax.scm
@@ -18,7 +18,8 @@
   (form-update-activity "delete" active)
   (form-update-activity "ciphers" active)
   (form-update-activity "tls_ciphers" active)
-  (form-update-activity "digests" active))
+  (form-update-activity "digests" active)
+  (form-update-activity "ncp_disable" active))
 
 (define (read-connections)
   (let ((connections (woo-list "/net-openvpn/avail_connections")))
@@ -36,7 +37,7 @@
                              'dev (or (form-value "connections") "") 'language (form-value "language"))))
     (and cmd
          (form-update-value-list
-           '("connections" "info" "server" "port" "keys" "onboot" "def_via_vpn" "lzo" "use_tcp" "ciphers" "tls_ciphers" "digests")
+           '("connections" "info" "server" "port" "keys" "onboot" "def_via_vpn" "lzo" "use_tcp" "ciphers" "tls_ciphers" "digests" "ncp_disable")
            cmd))))
 
 (define (init-interface)
@@ -58,7 +59,7 @@
 				 'commit #t
 				 'dev dev
 				 (form-value-list
-				   '("status" "server" "port" "keys" "onboot" "def_via_vpn" "lzo" "use_tcp" "ciphers" "tls_ciphers" "digests")))))
+				   '("status" "server" "port" "keys" "onboot" "def_via_vpn" "lzo" "use_tcp" "ciphers" "tls_ciphers" "digests" "ncp_disable")))))
 	  (read-config))))
 
 (define (new-connection)
diff --git a/ui/net-openvpn/index.html b/ui/net-openvpn/index.html
index d34b5c7..5033786 100644
--- a/ui/net-openvpn/index.html
+++ b/ui/net-openvpn/index.html
@@ -111,6 +111,13 @@
 								<td><span translate="_">Digest:</span></td>
 								<td><select name="digests"></select></td>
 							</tr>
+							<tr>
+								<td>&nbsp;</td>
+								<td>
+									<input type="checkbox" name="ncp_disable" value="#f"/>
+									<span translate="_">Disable NCP</span>
+								</td>
+							</tr>
 							<tr>
 								<td colspan="2">&nbsp;</td>
 							</tr>
diff --git a/ui/net-openvpn/index.scm b/ui/net-openvpn/index.scm
index 328dbd0..1ed298c 100644
--- a/ui/net-openvpn/index.scm
+++ b/ui/net-openvpn/index.scm
@@ -16,7 +16,8 @@
   (form-update-activity "delete" active)
   (form-update-activity "ciphers" active)
   (form-update-activity "tls_ciphers" active)
-  (form-update-activity "digests" active))
+  (form-update-activity "digests" active)
+  (form-update-activity "ncp_disable" active))
 
 (define (read-connections)
   (let ((connections (woo-list "/net-openvpn/avail_connections")))
@@ -34,7 +35,7 @@
                              'dev (form-value "connections") 'language (form-value "language"))))
     (and cmd
          (form-update-value-list
-           '("connections" "info" "server" "port" "keys" "onboot" "def_via_vpn" "lzo" "use_tcp" "ciphers" "tls_ciphers" "digests")
+           '("connections" "info" "server" "port" "keys" "onboot" "def_via_vpn" "lzo" "use_tcp" "ciphers" "tls_ciphers" "digests" "ncp_disable")
            cmd))))
 
 (define (init-interface)
@@ -55,7 +56,7 @@
 				 'commit #t
 				 'dev dev
 				 (form-value-list
-				   '("status" "server" "port" "keys" "onboot" "def_via_vpn" "lzo" "use_tcp" "ciphers" "tls_ciphers" "digests")))))
+				   '("status" "server" "port" "keys" "onboot" "def_via_vpn" "lzo" "use_tcp" "ciphers" "tls_ciphers" "digests" "ncp_disable")))))
 	  (read-config))))
 
 (define (new-connection)
@@ -185,6 +186,10 @@
 	(combobox name "digests")
 	(spacer)
     ;;
+	(spacer)
+	(checkbox text (_ "Disable NCP") name "ncp_disable")
+	(spacer)
+	;;
   (spacer)
   (hbox align "left"
         colspan 2