diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
index e1b480c5b026..499ae9bf956b 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
@@ -94,7 +94,6 @@ broken-packages:
   - aeson-streams
   - aeson-t
   - aeson-toolkit
-  - aeson-typescript
   - aeson-utils
   - aeson-via
   - aeson-with
diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index f16a2c439f1a..09336b009cf0 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -858,6 +858,16 @@ self: super: builtins.intersectAttrs super {
     );
   hercules-ci-cnix-store = super.hercules-ci-cnix-store.override { nix = pkgs.nixVersions.nix_2_9; };
 
+  # the testsuite fails because of not finding tsc without some help
+  aeson-typescript = overrideCabal (drv: {
+    testToolDepends = drv.testToolDepends or [] ++ [ pkgs.nodePackages.typescript ];
+    # the testsuite assumes that tsc is in the PATH if it thinks it's in
+    # CI, otherwise trying to install it.
+    #
+    # https://github.com/codedownio/aeson-typescript/blob/ee1a87fcab8a548c69e46685ce91465a7462be89/test/Util.hs#L27-L33
+    preCheck = "export CI=true";
+  }) super.aeson-typescript;
+
   # Enable extra optimisations which increase build time, but also
   # later compiler performance, so we should do this for user's benefit.
   # Flag added in Agda 2.6.2
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index 4a8d1e8711ce..d8b4362a7e21 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -26172,8 +26172,6 @@ self: {
        ];
        description = "Generate TypeScript definition files from your ADTs";
        license = lib.licenses.bsd3;
-       hydraPlatforms = lib.platforms.none;
-       broken = true;
      }) {};
 
   "aeson-typescript_0_4_0_0" = callPackage