diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index 26643f075b0..83978e3bf21 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -111,7 +111,7 @@ let
   otherBuildInputs = extraLibraries ++ librarySystemDepends ++ executableSystemDepends ++
                      buildTools ++ libraryToolDepends ++ executableToolDepends ++
                      optionals (allPkgconfigDepends != []) ([pkgconfig] ++ allPkgconfigDepends) ++
-                     optionals doCheck (testDepends ++ testHaskellDepends ++ testSystemDepends);
+                     optionals doCheck (testDepends ++ testHaskellDepends ++ testSystemDepends ++ testToolDepends);
   allBuildInputs = propagatedBuildInputs ++ otherBuildInputs;
 
   haskellBuildInputs = stdenv.lib.filter isHaskellPkg allBuildInputs;