diff --git a/pkgs/servers/x11/xorg/default.nix b/pkgs/servers/x11/xorg/default.nix
index 34983e36bee5..09114c0b44f3 100644
--- a/pkgs/servers/x11/xorg/default.nix
+++ b/pkgs/servers/x11/xorg/default.nix
@@ -2678,6 +2678,19 @@ lib.makeScope newScope (self: with self; {
     meta.platforms = stdenv.lib.platforms.unix;
   }) {};
 
+  xsm = callPackage ({ stdenv, pkgconfig, fetchurl, libICE, libSM, libX11, libXaw, libXt }: stdenv.mkDerivation {
+    name = "xsm-1.0.4";
+    builder = ./builder.sh;
+    src = fetchurl {
+      url = mirror://xorg/individual/app/xsm-1.0.4.tar.bz2;
+      sha256 = "09a4ss1fnrh1sgm21r4n5pivawf34paci3rn6mscyljf7a4vcd4r";
+    };
+    hardeningDisable = [ "bindnow" "relro" ];
+    nativeBuildInputs = [ pkgconfig ];
+    buildInputs = [ libICE libSM libX11 libXaw libXt ];
+    meta.platforms = stdenv.lib.platforms.unix;
+  }) {};
+
   xtrans = callPackage ({ stdenv, pkgconfig, fetchurl }: stdenv.mkDerivation {
     name = "xtrans-1.3.5";
     builder = ./builder.sh;
diff --git a/pkgs/servers/x11/xorg/tarballs.list b/pkgs/servers/x11/xorg/tarballs.list
index a6726a363c56..53f3832ab7a9 100644
--- a/pkgs/servers/x11/xorg/tarballs.list
+++ b/pkgs/servers/x11/xorg/tarballs.list
@@ -17,6 +17,7 @@ mirror://xorg/individual/app/xconsole-1.0.7.tar.bz2
 mirror://xorg/individual/app/xtrap-1.0.3.tar.bz2
 mirror://xorg/individual/app/ico-1.0.5.tar.bz2
 mirror://xorg/individual/app/transset-1.0.2.tar.bz2
+mirror://xorg/individual/app/xsm-1.0.4.tar.bz2
 mirror://xorg/individual/app/bdftopcf-1.1.tar.bz2
 mirror://xorg/individual/app/bitmap-1.0.8.tar.gz
 mirror://xorg/individual/app/iceauth-1.0.8.tar.bz2