diff --git a/pkgs/os-specific/linux/alsa-tools/default.nix b/pkgs/os-specific/linux/alsa-tools/default.nix
index 1ce94d14803..8faba250fb3 100644
--- a/pkgs/os-specific/linux/alsa-tools/default.nix
+++ b/pkgs/os-specific/linux/alsa-tools/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     done
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://www.alsa-project.org/;
     description = "ALSA, the Advanced Linux Sound Architecture tools";
 
@@ -47,7 +47,8 @@ stdenv.mkDerivation rec {
       MIDI functionality to the Linux-based operating system.
     '';
 
-    platforms = stdenv.lib.platforms.linux;
-    maintainers = [ stdenv.lib.maintainers.fps ];
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.fps ];
   };
 }