diff --git a/pkgs/applications/audio/vmpk/default.nix b/pkgs/applications/audio/vmpk/default.nix
index 2bc40a78af4..62ae1d2c049 100644
--- a/pkgs/applications/audio/vmpk/default.nix
+++ b/pkgs/applications/audio/vmpk/default.nix
@@ -1,26 +1,23 @@
-{ stdenv, fetchurl, cmake, pkgconfig
-, qt4, libjack2
-}:
+{ stdenv, fetchurl, cmake, pkgconfig, alsaLib, libjack2, qt4 }:
 
-let
-  version = "0.5.1";
-in stdenv.mkDerivation rec {
+stdenv.mkDerivation rec {
   pname = "vmpk";
-  inherit version;
-
-  meta = with stdenv.lib; {
-    description = "Virtual MIDI Piano Keyboard";
-    homepage    = "http://vmpk.sourceforge.net/";
-    license     = licenses.gpl3Plus;
-    platforms   = platforms.linux;
-  };
+  version = "0.5.1";
 
   src = fetchurl {
-    url = "mirror://sourceforge/vmpk/${version}/${pname}-${version}.tar.bz2";
+    url = "mirror://sourceforge/${pname}/${version}/${pname}-${version}.tar.bz2";
     sha256 = "11fqnxgs9hr9255d93n7lazxzjwn8jpmn23nywdksh0pb1ffvfrc";
   };
 
   nativeBuildInputs = [ cmake pkgconfig ];
 
-  buildInputs = [ qt4 libjack2 ];
+  buildInputs = [ alsaLib libjack2 qt4 ];
+
+  meta = with stdenv.lib; {
+    description = "Virtual MIDI Piano Keyboard";
+    homepage = "http://vmpk.sourceforge.net/";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ orivej ];
+    platforms = platforms.linux;
+  };
 }