diff --git a/composer.json b/composer.json
index 54b8d2f..6f2caa8 100644
--- a/composer.json
+++ b/composer.json
@@ -9,8 +9,8 @@
         }
     ],
     "autoload": {
-        "psr-0": {
-            "": "src/"
+        "psr-4": {
+            "Deblan\\Csv\\": "src/Deblan/Csv/"
         }
     }
 }
diff --git a/src/Deblan/Csv/CsvParser.php b/src/Deblan/Csv/CsvParser.php
index 57369a1..6c5664f 100644
--- a/src/Deblan/Csv/CsvParser.php
+++ b/src/Deblan/Csv/CsvParser.php
@@ -113,6 +113,10 @@ class CsvParser
 
     public function parse()
     {
+        if (!empty($this->datas)) {
+            return $this->datas;
+        }
+
         $lines = file($this->filename);
 
         if (empty($lines)) {