diff --git a/htdocs/admin/modules.php b/htdocs/admin/modules.php
index 9171d9ffda7..9a0d8a459a2 100644
--- a/htdocs/admin/modules.php
+++ b/htdocs/admin/modules.php
@@ -993,10 +993,10 @@ if ($mode == 'deploy')
 		{
 			if ($dirins_ok)
 			{
-				if (! is_writable(dol_osencode($dirins)))
+				if (!is_writable(dol_osencode($dirins)))
 				{
 					$langs->load("errors");
-					$message=info_admin($langs->trans("ErrorFailedToWriteInDir", $dirins));
+					$message=info_admin($langs->trans("ErrorFailedToWriteInDir", $dirins), 0, 0, '1', 'warning');
 					$allowfromweb=0;
 				}
 			}
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index f41f8f976c1..1ec0bda3017 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -3774,7 +3774,7 @@ function img_searchclear($titlealt = 'default', $other = '')
  *	@param  integer	$infoonimgalt	Info is shown only on alt of star picto, otherwise it is show on output after the star picto
  *	@param	int		$nodiv			No div
  *  @param  string  $admin          '1'=Info for admin users. '0'=Info for standard users (change only the look), 'error','xxx'=Other
- *  @param	string	$morecss		More CSS
+ *  @param	string	$morecss		More CSS ('', 'warning', 'error')
  *	@return	string					String with info text
  */
 function info_admin($text, $infoonimgalt = 0, $nodiv = 0, $admin = '1', $morecss = '')