diff --git a/lib/maintainers.nix b/lib/maintainers.nix
index d2e64463e554..86f488993ed6 100644
--- a/lib/maintainers.nix
+++ b/lib/maintainers.nix
@@ -234,6 +234,7 @@
   rszibele = "Richard Szibele <richard_szibele@hotmail.com>";
   rushmorem = "Rushmore Mushambi <rushmore@webenchanter.com>";
   rycee = "Robert Helgesson <robert@rycee.net>";
+  samuelrivas = "Samuel Rivas <samuelrivas@gmail.com>";
   sander = "Sander van der Burg <s.vanderburg@tudelft.nl>";
   schmitthenner = "Fabian Schmitthenner <development@schmitthenner.eu>";
   schristo = "Scott Christopher <schristopher@konputa.com>";
diff --git a/pkgs/applications/editors/emacs-modes/erlang/default.nix b/pkgs/applications/editors/emacs-modes/erlang/default.nix
index b2d59ef37b04..cdd2d9fd634c 100644
--- a/pkgs/applications/editors/emacs-modes/erlang/default.nix
+++ b/pkgs/applications/editors/emacs-modes/erlang/default.nix
@@ -15,11 +15,11 @@ stdenv.mkDerivation {
 
   # emacs highlighting */
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = "http://github.com/erlang/otp";
     description = "Erlang mode for Emacs";
-    licence = stdenv.lib.licenses.asl20;
-    platforms = stdenv.lib.platforms.unix;
-    maintainers = [ "Samuel Rivas <samuelrivas@gmail.com>" ];
+    licence = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = [ maintainers.samuelrivas ];
   };
 }