diff --git a/.gitignore b/.gitignore
index 4cd9577..c0d4623 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,7 +4,12 @@
 # Node.js
 
 # ignore compiled lib files
-lib
+lib/*
+app/lib/*
+
+# commit a placeholder to keep the app/lib directory
+!app/lib/.placeholder
+
 dist
 
 # Logs
diff --git a/app/lib/.placeholder b/app/lib/.placeholder
new file mode 100644
index 0000000..944042b
--- /dev/null
+++ b/app/lib/.placeholder
@@ -0,0 +1 @@
+Placeholder file here to commit the lib folder, as we cannot mkdir -p on Windows
diff --git a/package.json b/package.json
index 13fdeda..df3a539 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,6 @@
   "main": "lib/buildApp.js",
   "scripts": {
     "dev-up": "npm install && (cd app && npm install)",
-    "postinstall": "mkdir -p app/lib",
     "test": "echo \"Error: no test specified\" && exit 1",
     "build-app": "browserify app/src/main.js --node --ignore-missing --detect-globals false --debug -o app/lib/main.js && cp app/src/preload.js app/lib/preload.js",
     "build-module": "babel src -d lib",