diff --git a/pkgs/servers/x11/xorg/default.nix b/pkgs/servers/x11/xorg/default.nix
index 735cd2d3e615..f6969c427cdf 100644
--- a/pkgs/servers/x11/xorg/default.nix
+++ b/pkgs/servers/x11/xorg/default.nix
@@ -1417,6 +1417,19 @@ lib.makeScope newScope (self: with self; {
     meta.platforms = stdenv.lib.platforms.unix;
   }) {};
 
+  xcalc = callPackage ({ stdenv, pkgconfig, fetchurl, libX11, libXaw, xorgproto, libXt }: stdenv.mkDerivation {
+    name = "xcalc-1.0.7";
+    builder = ./builder.sh;
+    src = fetchurl {
+      url = mirror://xorg/individual/app/xcalc-1.0.7.tar.bz2;
+      sha256 = "08bzaldi76vrj7350d7b04pq7qa1qhi81x8i806yv42zcp8p3lkh";
+    };
+    hardeningDisable = [ "bindnow" "relro" ];
+    nativeBuildInputs = [ pkgconfig ];
+    buildInputs = [ libX11 libXaw xorgproto libXt ];
+    meta.platforms = stdenv.lib.platforms.unix;
+  }) {};
+
   xcbproto = callPackage ({ stdenv, pkgconfig, fetchurl, python }: stdenv.mkDerivation {
     name = "xcb-proto-1.13";
     builder = ./builder.sh;
diff --git a/pkgs/servers/x11/xorg/tarballs.list b/pkgs/servers/x11/xorg/tarballs.list
index 5254c31b92f2..b8d5e0f378a1 100644
--- a/pkgs/servers/x11/xorg/tarballs.list
+++ b/pkgs/servers/x11/xorg/tarballs.list
@@ -29,6 +29,7 @@ mirror://xorg/individual/app/viewres-1.0.5.tar.bz2
 mirror://xorg/individual/app/x11perf-1.6.0.tar.bz2
 mirror://xorg/individual/app/xauth-1.0.10.tar.bz2
 mirror://xorg/individual/app/xbacklight-1.2.2.tar.bz2
+mirror://xorg/individual/app/xcalc-1.0.7.tar.bz2
 mirror://xorg/individual/app/xclock-1.0.7.tar.bz2
 mirror://xorg/individual/app/xcmsdb-1.0.5.tar.bz2
 mirror://xorg/individual/app/xcompmgr-1.1.7.tar.bz2