diff --git a/main/admin/sub_language_add.php b/main/admin/sub_language_add.php
index d1cc354b7e..ce59e67352 100644
--- a/main/admin/sub_language_add.php
+++ b/main/admin/sub_language_add.php
@@ -227,7 +227,7 @@ if (isset($_POST['SubmitAddNewLanguage'])) {
 			$mkdir_result=add_directory_of_sub_language($path);
 			if ($mkdir_result===true) {
 			  	add_sub_language($original_name,$english_name,$isocode,$sublanguage_available,$parent_id);
-			  	Display::display_confirmation_message(get_lang('TheNewSubLanguageHasBeenAdd').$str_info);
+			  	Display::display_confirmation_message(get_lang('TheNewSubLanguageHasBeenAdd').$str_info,false);
 			} else {
 				  Display::display_error_message(get_lang('LanguageDirectoryNotWriteableContactAdmin'));			
 			}
diff --git a/main/inc/global.inc.php b/main/inc/global.inc.php
index dd5885e0b7..a336a322ca 100644
--- a/main/inc/global.inc.php
+++ b/main/inc/global.inc.php
@@ -625,12 +625,12 @@ if (is_array($language_files)) {
 			$num_row_sub_language=Database::num_rows($rs_sub_language);
 			
 			if (file_exists($langfile)) {
-				include_once $langfile;
+				include $langfile;
 				for ($i=0;$i<$num_row_sub_language;$i++) {
 					$row_sub_language=Database::result($rs_sub_language,$i,'dokeos_folder');
 					$sub_langfile = $langpath.$row_sub_language.'/'.$language_file.'.inc.php';
 					if (file_exists($sub_langfile)) {
-						include_once $sub_langfile;
+						include $sub_langfile;
 					}
 				}