diff --git a/pkgs/tools/system/acct/default.nix b/pkgs/tools/system/acct/default.nix
index c99d20d7953..4263709fe9a 100644
--- a/pkgs/tools/system/acct/default.nix
+++ b/pkgs/tools/system/acct/default.nix
@@ -25,6 +25,6 @@ stdenv.mkDerivation rec {
     homepage = http://www.gnu.org/software/acct/;
 
     maintainers = with maintainers; [ pSub ];
-    platforms = with platforms; allBut cygwin;
+    platforms = platforms.linux;
   };
 }