diff --git a/pkgs/applications/editors/emacs-modes/s/default.nix b/pkgs/applications/editors/emacs-modes/s/default.nix
new file mode 100644
index 00000000000..b818348939e
--- /dev/null
+++ b/pkgs/applications/editors/emacs-modes/s/default.nix
@@ -0,0 +1,23 @@
+{stdenv, fetchurl, emacs}:
+
+let version = "1.9.0";
+
+in stdenv.mkDerivation {
+  name = "emacs-s-${version}";
+
+  src = fetchurl {
+    url = "https://github.com/magnars/s.el/archive/${version}.tar.gz";
+    sha256 = "1gah2k577gvnmxlpw7zrz0jr571vghzhdv2hbgchlgah07czd091";
+  };
+
+  buildInputs = [ emacs ];
+
+  buildPhase = ''
+    emacs -L . --batch -f batch-byte-compile *.el
+  '';
+
+  installPhase = ''
+    install -d $out/share/emacs/site-lisp
+    install *.el *.elc $out/share/emacs/site-lisp
+  '';
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3710dddccd2..4c0e57bc3c0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8739,6 +8739,8 @@ let
 
     rudel = callPackage ../applications/editors/emacs-modes/rudel { };
 
+    s = callPackage ../applications/editors/emacs-modes/s { };
+
     sbtMode = callPackage ../applications/editors/emacs-modes/sbt-mode { };
 
     scalaMode1 = callPackage ../applications/editors/emacs-modes/scala-mode/v1.nix { };