diff --git a/.gitignore b/.gitignore
index b38db2f296f..5f99b9b2a47 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
+.DS_Store
 node_modules/
 build/
diff --git a/deps/content.js b/deps/content.js
index 0cddf4704be..647664d2481 100644
--- a/deps/content.js
+++ b/deps/content.js
@@ -249,6 +249,9 @@ class ContentLoader {
       const matchedFiles =
           globName === '*' ? dirContent : micromatch.match(dirContent, globName);
       for (const raw of matchedFiles) {
+        if (raw.startsWith('.')) {
+          continue;  // never match .-files
+        }
         const fullPath = path.join(currentDir, raw);
         if (isDir(fullPath)) {
           recurse && pendingDir.push(fullPath);