diff --git a/THORIUM_BUILD.md b/THORIUM_BUILD.md
index b118d440ac0ad..042ef0867934a 100644
--- a/THORIUM_BUILD.md
+++ b/THORIUM_BUILD.md
@@ -1,8 +1,7 @@
-0) rm -rf node_modules/ && rm package-lock.json
-1) `npm install --legacy-peer-deps`
-2) `npm install -g gulp-cli`
-3) `gulp test`
-4) `gulp web`
+0) rm -rf node_modules/
+2) `npm install`
+3) `npx gulp types`
+4) `npx gulp web`
 5) `cd build/gh-pages`
 6) `git push --set-upstream origin gh-pages -f`
 7) `cd ../..`
diff --git a/gulpfile.mjs b/gulpfile.mjs
index fb10bbc7b0082..88fbafb07f490 100644
--- a/gulpfile.mjs
+++ b/gulpfile.mjs
@@ -66,7 +66,7 @@ const MINIFIED_LEGACY_DIR = BUILD_DIR + "minified-legacy/";
 const JSDOC_BUILD_DIR = BUILD_DIR + "jsdoc/";
 const GH_PAGES_DIR = BUILD_DIR + "gh-pages/";
 const DIST_DIR = BUILD_DIR + "dist/";
-const TYPES_DIR = BUILD_DIR + "types/";
+const TYPES_DIR = "/" + "types/";
 const TMP_DIR = BUILD_DIR + "tmp/";
 const TYPESTEST_DIR = BUILD_DIR + "typestest/";
 const COMMON_WEB_FILES = [