diff --git a/skin/style.css.php b/skin/style.css.php
index f382cef46..74661f225 100644
--- a/skin/style.css.php
+++ b/skin/style.css.php
@@ -13,6 +13,7 @@
 	if (isset($_COOKIE['stylesheet']) && preg_match('/^[a-zA-Z]+$/', $_COOKIE['stylesheet']))
 	{
 		$stylesheet=$_COOKIE['stylesheet'];
+		$stylesheet=DEFAULT_STYLE;
 	}
 	else
 	{