diff --git a/install-dev/classes/controllerHttp.php b/install-dev/classes/controllerHttp.php
index f53c30e0e..aaffad35a 100644
--- a/install-dev/classes/controllerHttp.php
+++ b/install-dev/classes/controllerHttp.php
@@ -175,7 +175,12 @@ abstract class InstallControllerHttp
 
 		// Set current language
 		$this->language = InstallLanguages::getInstance();
-		$lang = (isset($this->session->lang)) ? $this->session->lang : $this->detectLanguage();
+		$detect_language = $this->language->detectLanguage();
+		if (isset($this->session->lang))
+			$lang = $this->session->lang;
+		else
+			$lang = (isset($detect_language['primarytag'])) ? $detect_language['primarytag'] : false;
+
 		if (!in_array($lang, $this->language->getIsoList()))
 			$lang = 'en';
 		$this->language->setLanguage($lang);
@@ -391,25 +396,6 @@ abstract class InstallControllerHttp
 		}
 	}
 
-	public function detectLanguage()
-	{
-		// This code is from a php.net comment : http://www.php.net/manual/fr/reserved.variables.server.php#94237
-		$split_languages = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
-		if (!is_array($split_languages))
-			return false;
-
-		foreach ($split_languages as $lang)
-		{
-			$pattern = '/^(?P<primarytag>[a-zA-Z]{2,8})'.
-				'(?:-(?P<subtag>[a-zA-Z]{2,8}))?(?:(?:;q=)'.
-				'(?P<quantifier>\d\.\d))?$/';
-			if (preg_match($pattern, $lang, $m))
-				if (in_array($m['primarytag'], $this->language->getIsoList()))
-					return $m['primarytag'];
-		}
-		return false;
-	}
-
 	public function &__get($varname)
 	{
 		if (isset($this->__vars[$varname]))
diff --git a/install-dev/classes/languages.php b/install-dev/classes/languages.php
index 9ae27e097..df57b5beb 100644
--- a/install-dev/classes/languages.php
+++ b/install-dev/classes/languages.php
@@ -178,4 +178,28 @@ class InstallLanguages
 
 		return $countries;
 	}
+
+	/**
+	 * Parse HTTP_ACCEPT_LANGUAGE and get first data matching list of available languages
+	 *
+	 * @return bool|array
+	 */
+	public function detectLanguage()
+	{
+		// This code is from a php.net comment : http://www.php.net/manual/fr/reserved.variables.server.php#94237
+		$split_languages = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
+		if (!is_array($split_languages))
+			return false;
+
+		foreach ($split_languages as $lang)
+		{
+			$pattern = '/^(?P<primarytag>[a-zA-Z]{2,8})'.
+				'(?:-(?P<subtag>[a-zA-Z]{2,8}))?(?:(?:;q=)'.
+				'(?P<quantifier>\d\.\d))?$/';
+			if (preg_match($pattern, $lang, $m))
+				if (in_array($m['primarytag'], $this->getIsoList()))
+					return $m;
+		}
+		return false;
+	}
 }
diff --git a/install-dev/controllers/http/configure.php b/install-dev/controllers/http/configure.php
index ba380eec4..ac1f41f8d 100644
--- a/install-dev/controllers/http/configure.php
+++ b/install-dev/controllers/http/configure.php
@@ -266,21 +266,11 @@ class InstallControllerHttpConfigure extends InstallControllerHttp
 		$this->list_countries = array();
 		$countries = $this->language->getCountries();
 		$top_countries = array(
-			'fr',
-			'es',
-			'us',
-			'gb',
-			'it',
-			'de',
-			'nl',
-			'pl',
-			'id',
-			'be',
-			'br',
-			'se',
-			'ca',
-			'ru',
-			'cn',
+			'fr', 'es', 'us',
+			'gb', 'it', 'de',
+			'nl', 'pl', 'id',
+			'be', 'br', 'se',
+			'ca', 'ru', 'cn',
 		);
 
 		foreach ($top_countries as $iso)
@@ -291,6 +281,16 @@ class InstallControllerHttpConfigure extends InstallControllerHttp
 			if (!in_array($iso, $top_countries))
 				$this->list_countries[] = array('iso' => $iso, 'name' => $lang);
 
+		// Try to detect default country
+		if (!$this->session->shop_country)
+		{
+			$detect_language = $this->language->detectLanguage();
+			if (isset($detect_language['primarytag']))
+			{
+				$this->session->shop_country = (isset($detect_language['subtag'])) ? $detect_language['subtag'] : $detect_language['primarytag'];
+				$this->session->shop_timezone = $this->getTimezoneByIso($this->session->shop_country);
+			}
+		}
 
 		// Install type
 		$this->install_type = ($this->session->install_type) ? $this->session->install_type : 'full';