diff --git a/build/build.js b/build/build.js
index 8e1e875..34c917f 100644
--- a/build/build.js
+++ b/build/build.js
@@ -26,6 +26,7 @@ function fixupPackageJson(filename) {
 
 async function buildTintD() {
   try {
+    process.env.DEPOT_TOOLS_WIN_TOOLCHAIN = '0'
     process.chdir('third_party/dawn');
     fs.copyFileSync('scripts/standalone.gclient', '.gclient');
     await execute('gclient', ['metrics', '--opt-out']);