diff --git a/build/lightdb/core/lightdb.php b/build/lightdb/core/lightdb.php
index 7aaf32e..07693dd 100644
--- a/build/lightdb/core/lightdb.php
+++ b/build/lightdb/core/lightdb.php
@@ -124,7 +124,7 @@
 
 			/* (2) On ajoute les données aux fichier */
 			$json_data = json_encode($data);
-			$this->driver->seek($this->line);
+			$this->driver->seek($already_line);
 			$this->line++;
 			$written = $this->driver->fwrite( $json_data.PHP_EOL );