diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index 086a462..83c0d03 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -17,4 +17,5 @@ jobs:
           node-version: 18.12.0 # from .nvmrc file
       - run: npm i
       - run: npm run parse
+      - run: npm run build
       - run: npx semantic-release
diff --git a/src/webpack-mjml-store.js b/src/webpack-mjml-store.js
index fb6da28..279f194 100644
--- a/src/webpack-mjml-store.js
+++ b/src/webpack-mjml-store.js
@@ -174,7 +174,7 @@ WebpackMjmlStore.prototype.readFile = function (file) {
     try {
       fs.readFile(file, 'utf8', function (err, data) {
         if (err) {
-          throw err;
+          resolve(true);
         }
         resolve(data);
       });