diff --git a/pkgs/development/compilers/fsharp/default.nix b/pkgs/development/compilers/fsharp/default.nix
index c00cea0029e..2971fd8a98b 100644
--- a/pkgs/development/compilers/fsharp/default.nix
+++ b/pkgs/development/compilers/fsharp/default.nix
@@ -42,6 +42,6 @@ stdenv.mkDerivation rec {
     homepage = "http://fsharp.org/";
     license = stdenv.lib.licenses.asl20;
     maintainers = with stdenv.lib.maintainers; [ thoughtpolice raskin ];
-    platforms = with stdenv.lib.platforms; linux;
+    platforms = with stdenv.lib.platforms; unix;
   };
 }