diff --git a/emacs.nix b/emacs.nix
index 365bfc707..310b61078 100644
--- a/emacs.nix
+++ b/emacs.nix
@@ -1,6 +1,5 @@
 # Derivation for Emacs pre-configured with packages that I need.
-#
-# * TODO 2018-06-15: sly removed due to build error in unstable
+
 { pkgs }:
 
 with pkgs.unstable; with emacsPackagesNg;
@@ -223,6 +222,11 @@ in emacsWithPackages(epkgs:
     yaml-mode
   ]) ++
 
+  # Stable packages
+  (with epkgs.melpaStablePackages; [
+    intero
+  ]) ++
+
   # Use custom updated ivy packages
   (lib.attrValues newIvy) ++