From f0187cb4c3de7455bc595ee73a22c9d2573f2581 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Wed, 23 Mar 2016 21:33:45 +0300
Subject: [PATCH] elmPackages.elm-compiler: use old language-ecmascript

---
 pkgs/development/compilers/elm/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/compilers/elm/default.nix b/pkgs/development/compilers/elm/default.nix
index 408af6e75c66..7fedbed28293 100644
--- a/pkgs/development/compilers/elm/default.nix
+++ b/pkgs/development/compilers/elm/default.nix
@@ -61,6 +61,9 @@ let
       in elmPkgs // {
         inherit elmPkgs;
         elmVersion = elmRelease.version;
+
+        # To unbreak elm-compiler
+        language-ecmascript = self.language-ecmascript_0_17_0_2;
       };
   };
 in hsPkgs.elmPkgs // {