1 files changed, 3 insertions, 3 deletions
diff --git a/pkgs/development/compilers/mlton/default.nix b/pkgs/development/compilers/mlton/default.nix
index 583f6f80137f0..6b6907b0b2e64 100644
--- a/pkgs/development/compilers/mlton/default.nix
+++ b/pkgs/development/compilers/mlton/default.nix
@@ -14,15 +14,15 @@ stdenv.mkDerivation rec {
   name = "mlton-${version}";
 
   binSrc =
-    if stdenv.system == "i686-linux" then (fetchurl {
+    if stdenv.hostPlatform.system == "i686-linux" then (fetchurl {
       url = "mirror://sourceforge/project/mlton/mlton/${version}/${name}-1.x86-linux.tgz";
       sha256 = "1kxjjmnw4xk2d9hpvz43w9dvyhb3025k4zvjx785c33nrwkrdn4j";
     })
-    else if stdenv.system == "x86_64-linux" then (fetchurl {
+    else if stdenv.hostPlatform.system == "x86_64-linux" then (fetchurl {
         url = "mirror://sourceforge/project/mlton/mlton/${version}/${name}-1.amd64-linux.tgz";
         sha256 = "0fyhwxb4nmpirjbjcvk9f6w67gmn2gkz7xcgz0xbfih9kc015ygn";
     })
-    else if stdenv.system == "x86_64-darwin" then (fetchurl {
+    else if stdenv.hostPlatform.system == "x86_64-darwin" then (fetchurl {
         url = "mirror://sourceforge/project/mlton/mlton/${version}/${name}-1.amd64-darwin.gmp-macports.tgz";
         sha256 = "044wnh9hhg6if886xy805683k0as347xd37r0r1yi4x7qlxzzgx9";
     })