diff --git a/.gitignore b/.gitignore
index 40da3e6..96aaa5c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /config_*.xml
 /translations/*.php
+/vendor/
diff --git a/composer.json b/composer.json
index 567ae48..0e80c11 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,8 @@
     "php": ">=5.4.0"
   },
   "config": {
-    "preferred-install": "dist"
+    "preferred-install": "dist",
+    "prepend-autoloader": false
   },
   "type": "prestashop-module"
 }
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..6e5624a
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,19 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "bb09e49201a09082865a0c9f9a79926f",
+    "packages": [],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {
+        "php": ">=5.4.0"
+    },
+    "platform-dev": []
+}