diff --git a/composer.json b/composer.json
index d0ba6f0..9bb246f 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
     "ext-simplexml": "*"
   },
   "autoload": {
-    "file": [
+    "files": [
       "helper.php"
     ],
     "classmap": [