diff --git a/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix b/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix
index c54c782fafa..bbf8a579919 100644
--- a/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix
+++ b/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix
@@ -1,11 +1,14 @@
 { haskellLib }:
 
-let inherit (haskellLib) doJailbreak dontHaddock;
+let inherit (haskellLib) doJailbreak dontHaddock dontCheck;
 in self: super: {
+  ghcjs = super.ghcjs.override {
+    shelly = super.shelly_1_8_1;
+  };
   ghc-api-ghcjs = super.ghc-api-ghcjs.override
   {
     happy = self.happy_1_19_5;
   };
-  haddock-library-ghcjs = doJailbreak super.haddock-library-ghcjs;
+  haddock-library-ghcjs = doJailbreak (dontCheck super.haddock-library-ghcjs);
   haddock-api-ghcjs = doJailbreak (dontHaddock super.haddock-api-ghcjs);
 }
diff --git a/pkgs/development/compilers/ghcjs-ng/default.nix b/pkgs/development/compilers/ghcjs-ng/default.nix
index 6d56c410aab..7b6fbc460a9 100644
--- a/pkgs/development/compilers/ghcjs-ng/default.nix
+++ b/pkgs/development/compilers/ghcjs-ng/default.nix
@@ -102,7 +102,6 @@ in stdenv.mkDerivation {
 
     inherit passthru;
 
-    meta.broken = true; # build does not succeed
-    meta.platforms = lib.platforms.none;  # passthru.bootPkgs.ghc.meta.platforms;
+    meta.platforms = passthru.bootPkgs.ghc.meta.platforms;
     meta.maintainers = [lib.maintainers.elvishjerricco];
   }
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
index 4ad02d490ae..e234cb35c01 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
@@ -64,7 +64,7 @@ core-packages:
 #
 # WARNING: This list is generated semiautomatically based on the most recent
 # LTS package set. If you want to add entries to it, you must do so before the
-# comment saying "# LTS Haskell x.y". Any changes after that commend will be
+# comment saying "# LTS Haskell x.y". Any changes after that comment will be
 # lost the next time `update-stackage.sh` runs.
 default-package-overrides:
   # This was only intended for ghc-7.0.4, and has very old deps, one hidden behind a flag
@@ -2604,6 +2604,7 @@ extra-packages:
   - resourcet ==1.1.*                   # pre-lts-11.x versions neeed by git-annex 6.20180227
   - seqid < 0.2                         # newer versions depend on transformers 0.4.x which we cannot provide in GHC 7.8.x
   - seqid-streams < 0.2                 # newer versions depend on transformers 0.4.x which we cannot provide in GHC 7.8.x
+  - shelly ==1.8.1                      # ghcjs depends on shelly < 1.9
   - split < 0.2                         # newer versions don't work with GHC 6.12.3
   - tar < 0.4.2.0                       # later versions don't work with GHC < 7.6.x
   - transformers == 0.4.3.*             # the latest version isn't supported by mtl yet