diff --git a/classes/controller/FrontController.php b/classes/controller/FrontController.php
index 324f38280..51a2d6854 100755
--- a/classes/controller/FrontController.php
+++ b/classes/controller/FrontController.php
@@ -294,6 +294,11 @@ class FrontControllerCore extends Controller
 				$display_tax_label = $country->display_tax_label;
 		}
 
+		$languages = Language::getLanguages(true, $this->context->shop->id);
+		$meta_language = array();
+		foreach ($languages as $lang)
+			$meta_language[] = $lang['iso_code'];
+
 		$this->context->smarty->assign(array(
 			// Usefull for layout.tpl
 			'mobile_device' => $this->context->getMobileDevice(),
@@ -312,7 +317,8 @@ class FrontControllerCore extends Controller
 			'come_from' => Tools::getHttpHost(true, true).Tools::htmlentitiesUTF8(str_replace('\'', '', urldecode($_SERVER['REQUEST_URI']))),
 			'cart_qties' => (int)$cart->nbProducts(),
 			'currencies' => Currency::getCurrencies(),
-			'languages' => Language::getLanguages(true, $this->context->shop->id),
+			'languages' => $languages,
+			'meta_language' => implode('-', $meta_language),
 			'priceDisplay' => Product::getTaxCalculationMethod(),
 			'add_prod_display' => (int)Configuration::get('PS_ATTRIBUTE_CATEGORY_DISPLAY'),
 			'shop_name' => Configuration::get('PS_SHOP_NAME'),
diff --git a/themes/default/header.tpl b/themes/default/header.tpl
index f1b10c629..c6a98be45 100644
--- a/themes/default/header.tpl
+++ b/themes/default/header.tpl
@@ -35,6 +35,7 @@
 		<meta name="keywords" content="{$meta_keywords|escape:html:'UTF-8'}" />
 {/if}
 		<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" />
+		<meta http-equiv="content-language" content="{$meta_language}" />
 		<meta name="generator" content="PrestaShop" />
 		<meta name="robots" content="{if isset($nobots)}no{/if}index,{if isset($nofollow) && $nofollow}no{/if}follow" />
 		<link rel="icon" type="image/vnd.microsoft.icon" href="{$favicon_url}?{$img_update_time}" />