diff --git a/lib/systems/default.nix b/lib/systems/default.nix
index 36afdae38668..4ca932d17921 100644
--- a/lib/systems/default.nix
+++ b/lib/systems/default.nix
@@ -36,9 +36,8 @@ rec {
         else if final.isUClibc              then "uclibc"
         else if final.isAndroid             then "bionic"
         else if final.isLinux /* default */ then "glibc"
-        else if final.isMsp430              then "newlib"
-        else if final.isVc4                 then "newlib"
         else if final.isAvr                 then "avrlibc"
+        else if final.isNone                then "newlib"
         else if final.isNetBSD              then "nblibc"
         # TODO(@Ericson2314) think more about other operating systems
         else                                     "native/impure";