diff --git a/classes/Translate.php b/classes/Translate.php
index bfd852601..a2d3ec4f3 100644
--- a/classes/Translate.php
+++ b/classes/Translate.php
@@ -116,7 +116,7 @@ class TranslateCore
 	 * @param string $source
 	 * @return string
 	 */
-	public static function getModuleTranslation($module, $string, $source, $sprintf = null)
+	public static function getModuleTranslation($module, $string, $source, $sprintf = null, $js = false)
 	{
 		global $_MODULES, $_MODULE, $_LANGADM;
 
@@ -126,7 +126,6 @@ class TranslateCore
 		static $translations_merged = array();
 
 		$name = $module instanceof Module ? $module->name : $module;
-		
 		if (!isset($translations_merged[$name]))
 		{
 			$filesByPriority = array(
@@ -175,6 +174,9 @@ class TranslateCore
 			if ($sprintf !== null)
 				$ret = Translate::checkAndReplaceArgs($ret, $sprintf);
 
+			if ($js)
+				$ret = addslashes($ret);
+
 			$lang_cache[$cache_key] = str_replace('"', '"', $ret);
 		}
 		return $lang_cache[$cache_key];
diff --git a/config/smartyfront.config.inc.php b/config/smartyfront.config.inc.php
index 45b47c6bb..4c55e6b9f 100644
--- a/config/smartyfront.config.inc.php
+++ b/config/smartyfront.config.inc.php
@@ -30,7 +30,7 @@ function smartyTranslate($params, &$smarty)
 {
 	global $_LANG;
 
-	if (!isset($params['js'])) $params['js'] = 0;
+	if (!isset($params['js'])) $params['js'] = false;
 	if (!isset($params['pdf'])) $params['pdf'] = false;
 	if (!isset($params['mod'])) $params['mod'] = false;
 	if (!isset($params['sprintf'])) $params['sprintf'] = null;
@@ -45,7 +45,7 @@ function smartyTranslate($params, &$smarty)
 		$key = 'override_'.$key;
 
 	if ($params['mod'])
-		return Translate::getModuleTranslation($params['mod'], $params['s'], $basename, $params['sprintf']);
+		return Translate::getModuleTranslation($params['mod'], $params['s'], $basename, $params['sprintf'], $params['js']);
 	else if ($params['pdf'])
 		return Translate::getPdfTranslation($params['s']);
 
@@ -62,6 +62,6 @@ function smartyTranslate($params, &$smarty)
 	if ($params['sprintf'] !== null)
 		$msg = Translate::checkAndReplaceArgs($msg, $params['sprintf']);
 
-	return $params['js'] ? $msg : Tools::htmlentitiesUTF8($msg);
+	return $params['js'] ? $msg : addslashes($msg);
 }