diff --git a/pkgs/lib/platforms.nix b/pkgs/lib/platforms.nix
index e9ed1e226e79..90ccf66f20c9 100644
--- a/pkgs/lib/platforms.nix
+++ b/pkgs/lib/platforms.nix
@@ -13,4 +13,5 @@ rec {
   all = linux ++ darwin ++ cygwin ++ freebsd ++ openbsd;
   allBut = platform: lists.filter (x: platform != x) all;
   mesaPlatforms = linux ++ darwin ++ freebsd;
+  haskellPlatforms = ["i686-linux" "x86_64-linux" "i686-darwin"];
 }