diff --git a/install-dev/classes/model.php b/install-dev/classes/model.php
index 9352e593a..15af24e7f 100644
--- a/install-dev/classes/model.php
+++ b/install-dev/classes/model.php
@@ -32,11 +32,6 @@ abstract class InstallAbstractModel
 	 */
 	public $language;
 
-	/**
-	 * @var FileLogger
-	 */
-	public $logger;
-
 	/**
 	 * @var array List of errors
 	 */
@@ -45,9 +40,6 @@ abstract class InstallAbstractModel
 	public function __construct()
 	{
 		$this->language = InstallLanguages::getInstance();
-
-		$this->logger = new FileLogger();
-		$this->logger->setFilename(_PS_ROOT_DIR_.'/log/'.@date('Ymd').'_installation.log');
 	}
 
 	public function setError($errors)
@@ -55,11 +47,7 @@ abstract class InstallAbstractModel
 		if (!is_array($errors))
 			$errors = array($errors);
 
-		foreach ($errors as $error)
-		{
-			$this->errors[] = $error;
-			$this->logger->logError($error);
-		}
+		$this->errors[] = $errors;
 	}
 
 	public function getErrors()
diff --git a/install-dev/models/install.php b/install-dev/models/install.php
index 966431754..d335f69ba 100644
--- a/install-dev/models/install.php
+++ b/install-dev/models/install.php
@@ -29,6 +29,30 @@ class InstallModelInstall extends InstallAbstractModel
 {
 	const SETTINGS_FILE = 'config/settings.inc.php';
 
+	/**
+	 * @var FileLogger
+	 */
+	public $logger;
+
+	public function __construct()
+	{
+		parent::__construct();
+
+		$this->logger = new FileLogger();
+		$this->logger->setFilename(_PS_ROOT_DIR_.'/log/'.@date('Ymd').'_installation.log');
+	}
+
+	public function setError($errors)
+	{
+		if (!is_array($errors))
+			$errors = array($errors);
+
+		parent::setError($errors);
+
+		foreach ($errors as $error)
+			$this->logger->logError($error);
+	}
+
 	/**
 	 * Generate settings file
 	 */