diff --git a/pkgs/tools/networking/network-manager/fortisslvpn.nix b/pkgs/tools/networking/network-manager/fortisslvpn.nix
index 5f1e0790b0b..b924a02438f 100644
--- a/pkgs/tools/networking/network-manager/fortisslvpn.nix
+++ b/pkgs/tools/networking/network-manager/fortisslvpn.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, openfortivpn, automake, autoconf, libtool, intltool, pkgconfig,
 networkmanager, ppp, lib, libsecret, withGnome ? true, gnome3, procps, kmod }:
 
-stdenv.mkDerivation rec {
-  name    = "${pname}${if withGnome then "-gnome" else ""}-${version}";
+let
   pname   = "NetworkManager-fortisslvpn";
-  major   = "1.2";
-  version = "${major}.4";
+  version = "1.2.4";
+in stdenv.mkDerivation rec {
+  name    = "${pname}${if withGnome then "-gnome" else ""}-${version}";
 
   src = fetchurl {
-    url    = "mirror://gnome/sources/${pname}/${major}/${pname}-${version}.tar.xz";
+    url    = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
     sha256 = "0wsbj5lvf9l1w8k5nmaqnzmldilh482bn4z4k8a3wnm62xfxgscr";
   };
 
@@ -28,6 +28,13 @@ stdenv.mkDerivation rec {
        --replace "/bin/openfortivpn" "${openfortivpn}/bin/openfortivpn"
   '';
 
+  passthru = {
+    updateScript = gnome3.updateScript {
+      packageName = pname;
+      attrPath = "networkmanager-fortisslvpn";
+    };
+  };
+
   meta = {
     description = "NetworkManager's FortiSSL plugin";
     inherit (networkmanager.meta) maintainers platforms;