diff --git a/host-targets.js b/host-targets.js
index b2c5638..90d0267 100644
--- a/host-targets.js
+++ b/host-targets.js
@@ -82,6 +82,7 @@ HostTargets.TERMS = {
   CYGWIN: T.LINUX,
   Darwin: T.DARWIN,
   Windows: T.WINDOWS,
+  win32: { os: 'windows', vendor: 'unknown' },
   DragonFly: { os: 'dragonfly', vendor: 'unknown' },
   NetBSD: { os: 'netbsd', vendor: 'unknown' },
   OpenBSD: { os: 'openbsd', vendor: 'unknown' },
@@ -93,6 +94,7 @@ HostTargets.TERMS = {
   AMD64: { arch: 'x86_64' },
   amd64: { arch: 'x86_64' },
   x86_64: { arch: 'x86_64' },
+  x64: { arch: 'x86_64' },
   ARM64: { arch: 'aarch64' },
   arm64: { arch: 'aarch64' },
   aarch64: { arch: 'aarch64' },