diff --git a/pkgs/development/libraries/haskell/multiarg/default.nix b/pkgs/development/libraries/haskell/multiarg/default.nix
new file mode 100644
index 00000000000..5f12e4cee92
--- /dev/null
+++ b/pkgs/development/libraries/haskell/multiarg/default.nix
@@ -0,0 +1,22 @@
+{ cabal, explicitException, QuickCheck, text, transformers
+, utf8String
+}:
+
+cabal.mkDerivation (self: {
+  pname = "multiarg";
+  version = "0.1.0.0";
+  sha256 = "010mph49fq0rdr5dmm4pdlbmfmaaas8wffa9p1cgprs2ic1hnx3g";
+  buildDepends = [
+    explicitException QuickCheck text transformers utf8String
+  ];
+  meta = {
+    homepage = "https://github.com/massysett/multiarg";
+    description = "Combinators to build command line parsers";
+    license = self.stdenv.lib.licenses.mit;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [
+      self.stdenv.lib.maintainers.andres
+      self.stdenv.lib.maintainers.simons
+    ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 70338b6bbea..8c9fdf59f91 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -993,7 +993,9 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   mtl2 = self.mtl_2_0_1_0;
   mtl  = self.mtl1;
 
-  mtlparse  = callPackage ../development/libraries/haskell/mtlparse {};
+  mtlparse = callPackage ../development/libraries/haskell/mtlparse {};
+
+  multiarg = callPackage ../development/libraries/haskell/multiarg {};
 
   multiplate = callPackage ../development/libraries/haskell/multiplate {};