diff --git a/admin-dev/themes/default/template/controllers/products/features.tpl b/admin-dev/themes/default/template/controllers/products/features.tpl
index 264b53808..18a396189 100644
--- a/admin-dev/themes/default/template/controllers/products/features.tpl
+++ b/admin-dev/themes/default/template/controllers/products/features.tpl
@@ -113,6 +113,6 @@
 </div>
 {/if}
 <script type="text/javascript">
-	hideOtherLanguage({$default_language});
+	hideOtherLanguage(default_language);
 	$(".textarea-autosize").autosize();
 </script>
\ No newline at end of file
diff --git a/admin-dev/themes/default/template/controllers/products/helpers/form/form.tpl b/admin-dev/themes/default/template/controllers/products/helpers/form/form.tpl
index 8bf2c6716..bc11b0a9f 100644
--- a/admin-dev/themes/default/template/controllers/products/helpers/form/form.tpl
+++ b/admin-dev/themes/default/template/controllers/products/helpers/form/form.tpl
@@ -101,6 +101,8 @@
 				var display_multishop_checkboxes = false;
 			{/if}
 
+			var default_language = '{$default_language|addslashes}';
+			
 			$(document).ready(function()
 			{
 				hideOtherLanguage(default_language);