diff --git a/pkgs/applications/misc/catclock/default.nix b/pkgs/applications/misc/catclock/default.nix
index 8df06980b471..75f5ab406fe0 100644
--- a/pkgs/applications/misc/catclock/default.nix
+++ b/pkgs/applications/misc/catclock/default.nix
@@ -26,6 +26,6 @@ stdenv.mkDerivation rec {
     homepage = http://codefromabove.com/2014/05/catclock/;
     license = with licenses; mit;
     maintainers = with maintainers; [ ramkromberg ];
-    platforms = with platforms; linux;
+    platforms = with platforms; linux ++ darwin;
   };
 }