diff --git a/install-dev/controllers/http/database.php b/install-dev/controllers/http/database.php
index 214686953..18cc95e7f 100644
--- a/install-dev/controllers/http/database.php
+++ b/install-dev/controllers/http/database.php
@@ -155,7 +155,7 @@ class InstallControllerHttpDatabase extends InstallControllerHttp
 		{
 			if (file_exists(_PS_ROOT_DIR_.'/config/settings.inc.php'))
 			{
-				include_once _PS_ROOT_DIR_.'/config/settings.inc.php';
+				@include_once _PS_ROOT_DIR_.'/config/settings.inc.php';
 				$this->database_server = _DB_SERVER_;
 				$this->database_name = _DB_NAME_;
 				$this->database_login = _DB_USER_;
@@ -202,3 +202,4 @@ class InstallControllerHttpDatabase extends InstallControllerHttp
 		$this->displayTemplate('database');
 	}
 }
+
diff --git a/install-dev/controllers/http/process.php b/install-dev/controllers/http/process.php
index fa96d7864..4cdadabee 100644
--- a/install-dev/controllers/http/process.php
+++ b/install-dev/controllers/http/process.php
@@ -76,7 +76,7 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 	public function process()
 	{
 		if (file_exists(_PS_ROOT_DIR_.'/'.self::SETTINGS_FILE))
-			require_once _PS_ROOT_DIR_.'/'.self::SETTINGS_FILE;
+			@require_once _PS_ROOT_DIR_.'/'.self::SETTINGS_FILE;
 
 		if (!$this->session->process_validated)
 			$this->session->process_validated = array();
@@ -357,3 +357,4 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 		$this->displayTemplate('process');
 	}
 }
+