diff --git a/build/lib/extensions.js b/build/lib/extensions.js
index 0cec11f997a..e45b0d4e35a 100644
--- a/build/lib/extensions.js
+++ b/build/lib/extensions.js
@@ -188,7 +188,7 @@ const excludedExtensions = [
     'ms.vscode.js-debug-nightly'
 ];
 const builtInExtensions = require('../builtInExtensions.json')
-    .filter(({ forQualities }) => { var _a, _b, _c; return !product.quality || ((_c = (_a = forQualities) === null || _a === void 0 ? void 0 : (_b = _a).includes) === null || _c === void 0 ? void 0 : _c.call(_b, product.quality)) !== false; });
+    .filter(({ forQualities }) => { var _a; return !product.quality || ((_a = forQualities === null || forQualities === void 0 ? void 0 : forQualities.includes) === null || _a === void 0 ? void 0 : _a.call(forQualities, product.quality)) !== false; });
 function packageLocalExtensionsStream() {
     const localExtensionDescriptions = glob.sync('extensions/*/package.json')
         .map(manifestPath => {