diff --git a/pkgs/servers/x11/xorg/default.nix b/pkgs/servers/x11/xorg/default.nix
index 9c5609b79f3b..95c29dea28ea 100644
--- a/pkgs/servers/x11/xorg/default.nix
+++ b/pkgs/servers/x11/xorg/default.nix
@@ -1206,6 +1206,16 @@ let
     };
     buildInputs = [pkgconfig libXcursor ];
   })) // {inherit libXcursor ;};
+
+  xdm = (stdenv.mkDerivation ((if overrides ? xdm then overrides.xdm else x: x) {
+    name = "xdm-1.1.9";
+    builder = ./builder.sh;
+    src = fetchurl {
+      url = mirror://xorg/individual/app/xdm-1.1.9.tar.bz2;
+      sha256 = "0d5i25mn6vzhkh5ga5b403hgfmaf66q40knr06ii608d3c7dpcg7";
+    };
+    buildInputs = [pkgconfig libXmu libX11 libXau libXinerama libXft libXpm libXaw libXdmcp libXt libXext];
+  })) // {inherit libXmu libX11 libXau libXinerama libXft libXpm libXaw libXdmcp libXt libXext;};
     
   xdpyinfo = (stdenv.mkDerivation ((if overrides ? xdpyinfo then overrides.xdpyinfo else x: x) {
     name = "xdpyinfo-1.1.0";
diff --git a/pkgs/servers/x11/xorg/extra.list b/pkgs/servers/x11/xorg/extra.list
index 83118fe0fc4c..e930e14e8016 100644
--- a/pkgs/servers/x11/xorg/extra.list
+++ b/pkgs/servers/x11/xorg/extra.list
@@ -3,3 +3,4 @@ http://xcb.freedesktop.org/dist/xcb-util-0.3.6.tar.bz2
 http://xcb.freedesktop.org/dist/libxcb-1.4.tar.bz2
 http://xcb.freedesktop.org/dist/libpthread-stubs-0.3.tar.bz2
 mirror://xorg/individual/lib/pixman-0.16.4.tar.bz2
+mirror://xorg/individual/app/xdm-1.1.9.tar.bz2