diff --git a/lib/jsonschema/default.nix b/lib/jsonschema/default.nix
index 646200044..0872893d6 100644
--- a/lib/jsonschema/default.nix
+++ b/lib/jsonschema/default.nix
@@ -138,6 +138,15 @@ rec {
       };
     }
 
+    # parse list of unspecified
+    else if
+      (option.type.name == "listOf")
+      && (option.type.functor.wrapped.name == "unspecified")
+    # return jsonschema property definition for list
+    then default // description // {
+      type = "array";
+    }
+
     # parse attrsOf submodule
     else if option.type.name == "attrsOf" && option.type.nestedTypes.elemType.name == "submodule"
     # return jsonschema property definition for attrsOf submodule
diff --git a/lib/jsonschema/test_parseOption.nix b/lib/jsonschema/test_parseOption.nix
index 7adb3d660..2934dc8e4 100644
--- a/lib/jsonschema/test_parseOption.nix
+++ b/lib/jsonschema/test_parseOption.nix
@@ -115,6 +115,18 @@ in
       };
     };
 
+  testListOfUnspacified =
+    let
+      default = [ 1 2 3 ];
+    in
+    {
+      expr = slib.parseOption (evalType (lib.types.listOf lib.types.unspecified) default);
+      expected = {
+        type = "array";
+        inherit default description;
+      };
+    };
+
   testAttrsOfInt =
     let
       default = { foo = 1; bar = 2; baz = 3; };
diff --git a/pkgs/nix-unit/default.nix b/pkgs/nix-unit/default.nix
index 505f044d0..8d0e1e6f6 100644
--- a/pkgs/nix-unit/default.nix
+++ b/pkgs/nix-unit/default.nix
@@ -1,43 +1,8 @@
-{ stdenv
-, lib
-, nixVersions
-, fetchFromGitHub
-, nlohmann_json
-, boost
-, meson
-, pkg-config
-, ninja
-, cmake
-, clang-tools
-}:
-
-stdenv.mkDerivation {
-  pname = "nix-unit";
-  version = "0.1";
-  src = fetchFromGitHub {
-    owner = "adisbladis";
-    repo = "nix-unit";
-    rev = "6389f27c0a13df001d790adfaa08ec4d971ba34a";
-    sha256 = "sha256-bwuiM+2sLrn+vvwW9fv/+s3oh0jN4y6gZV6Lx0pEEmM=";
+{ callPackage }:
+let
+  nix-unit-src = builtins.fetchGit {
+    url = "https://github.com/adisbladis/nix-unit";
+    rev = "7e2ee1c70f930b9b65b9fc33c3f3eca0dfae00d1";
   };
-  buildInputs = [
-    nlohmann_json
-    nixVersions.stable
-    boost
-  ];
-  nativeBuildInputs = [
-    meson
-    pkg-config
-    ninja
-    # nlohmann_json can be only discovered via cmake files
-    cmake
-  ] ++ (lib.optional stdenv.cc.isClang [ clang-tools ]);
-
-  meta = {
-    description = "Nix unit test runner";
-    homepage = "https://github.com/adisbladis/nix-unit";
-    license = lib.licenses.gpl3;
-    maintainers = with lib.maintainers; [ adisbladis ];
-    platforms = lib.platforms.unix;
-  };
-}
+in
+callPackage nix-unit-src { }