diff --git a/classes/Tools.php b/classes/Tools.php
index ca10a4785..08705746b 100644
--- a/classes/Tools.php
+++ b/classes/Tools.php
@@ -2347,16 +2347,16 @@ exit;
 		$addons_url = 'api.addons.prestashop.com';
 		$postData = '';
 		$postDataArray = array(
-			'version' => _PS_VERSION_,
-			'iso_lang' => strtolower(Context::getContext()->language->iso_code),
-			'iso_code' => strtolower(Country::getIsoById(Configuration::get('PS_COUNTRY_DEFAULT'))),
-			'shop_url' => urlencode(Tools::getShopDomain()),
-			'mail' => urlencode(Configuration::get('PS_SHOP_EMAIL'))
+			'version' => isset($params['version']) ? $params['version'] : _PS_VERSION_,
+			'iso_lang' => Tools::strtolower(isset($params['iso_lang']) ? $params['iso_lang'] : Context::getContext()->language->iso_code),
+			'iso_code' => Tools::strtolower(isset($params['iso_country']) ? $params['iso_country'] : Country::getIsoById(Configuration::get('PS_COUNTRY_DEFAULT'))),
+			'shop_url' => urlencode(isset($params['shop_url']) ? $params['shop_url'] : Tools::getShopDomain()),
+			'mail' => urlencode(isset($params['email']) ? $params['email'] : Configuration::get('email'))
 		);
 		foreach ($postDataArray as $postDataKey => $postDataValue)
 			$postData .= '&'.$postDataKey.'='.$postDataValue;
 		$postData = ltrim($postData, '&');
-		
+
 		// Config for each request
 		if ($request == 'native')
 		{
diff --git a/install-dev/controllers/http/process.php b/install-dev/controllers/http/process.php
index 047a84370..f9d98996f 100644
--- a/install-dev/controllers/http/process.php
+++ b/install-dev/controllers/http/process.php
@@ -331,8 +331,6 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 	 */
 	public function display()
 	{
-		$this->initializeContext();
-		
 		// The installer SHOULD take less than 32M, but may take up to 35/36M sometimes. So 42M is a good value :)
 		$low_memory = Tools::getMemoryLimit() < Tools::getOctets('42M');
 
@@ -361,8 +359,15 @@ class InstallControllerHttpProcess extends InstallControllerHttp
 		$this->process_steps[] = $install_modules;
 		
 		$install_modules = array('key' => 'installModulesAddons', 'lang' => $this->l('Install modules Addons'));
+
+		$params = array('iso_lang' => $this->language->getLanguageIso(), 
+							'iso_country' => $this->session->shop_country, 
+							'email' => $this->session->admin_email, 
+							'shop_url' => Tools::getHttpHost(),
+							'version' => _PS_INSTALL_VERSION_);
+
 		if ($low_memory)
-			foreach ($this->model_install->getAddonsModulesList() as $module)
+			foreach ($this->model_install->getAddonsModulesList($params) as $module)
 				$install_modules['subtasks'][] = array('module' => (string)$module['name'], 'id_module' => (string)$module['id_module']);
 		$this->process_steps[] = $install_modules;
 
diff --git a/install-dev/models/install.php b/install-dev/models/install.php
index 2780f23de..ca62908fc 100644
--- a/install-dev/models/install.php
+++ b/install-dev/models/install.php
@@ -587,10 +587,10 @@ class InstallModelInstall extends InstallAbstractModel
 		return $modules;
 	}
 	
-	public function getAddonsModulesList()
+	public function getAddonsModulesList($params = array())
 	{
 		$addons_modules = array();
-		$content = Tools::addonsRequest('install-modules');
+		$content = Tools::addonsRequest('install-modules', $params);
 		$xml = @simplexml_load_string($content, null, LIBXML_NOCDATA);
 			
 		if ($xml !== false and isset($xml->module))