diff --git a/htdocs/lib/security.lib.php b/htdocs/lib/security.lib.php
index 7262c635e66..63df5e566ed 100644
--- a/htdocs/lib/security.lib.php
+++ b/htdocs/lib/security.lib.php
@@ -361,6 +361,7 @@ function dol_loginfunction2($langs,$conf,$mysoc)
 		if (file_exists(DOL_DOCUMENT_ROOT."/theme/phones/".$conf->browser->phone))
 		{
 			$smarty->template_dir = DOL_DOCUMENT_ROOT."/theme/phones/".$conf->browser->phone."/templates/";
+			$smarty->assign('theme', 'default');
 		}
 		else
 		{
diff --git a/htdocs/theme/phones/iphone/templates/login.tpl b/htdocs/theme/phones/iphone/templates/login.tpl
index 7e527a1d1b5..b3759777ffb 100644
--- a/htdocs/theme/phones/iphone/templates/login.tpl
+++ b/htdocs/theme/phones/iphone/templates/login.tpl
@@ -33,7 +33,7 @@
 <meta name="robots" content="noindex,nofollow" />
 <meta content="minimum-scale=1.0, width=device-width, maximum-scale=0.6667, user-scalable=no" name="viewport" />
 <meta name="apple-mobile-web-app-capable" content="yes" />
-<link rel="stylesheet" href="{$dol_url_root}/theme/phones/iphone/theme/default/default.css.php"  type="text/css" />
+<link rel="stylesheet" href="{$dol_url_root}/theme/phones/iphone/theme/{$theme}/{$theme}.css.php"  type="text/css" />
 <script type="text/javascript" src="{$dol_url_root}/includes/iphone/iwebkit/Framework/javascript/function.js"></script>
 </head>