diff --git a/.github/workflows/webassembly.yml b/.github/workflows/webassembly.yml
index 0dce43ab52f..4b223201f69 100644
--- a/.github/workflows/webassembly.yml
+++ b/.github/workflows/webassembly.yml
@@ -16,10 +16,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Check code formatting
-        uses: creyD/prettier_action@v3.0
-        with:
-          dry: true
-          prettier_options: --check .
+        run: npx prettier --check .
 
   build:
     name: Build webassembly demo
@@ -34,7 +31,7 @@ jobs:
           override: true
           profile: minimal
       - name: Install wasm-pack
-        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh 
+        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
       - name: Cache yarn build
         uses: actions/cache@v2
         with:
diff --git a/.prettierignore b/.prettierignore
index e71eabb274b..981ec730007 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -6,3 +6,5 @@ boa/benches/bench_scripts/mini_js.js
 boa/benches/bench_scripts/clean_js.js
 boa_wasm/pkg
 dist
+test262
+tests/js/test.js