diff --git a/index.php b/index.php
index cf20d35a29..ec7d6e31f2 100644
--- a/index.php
+++ b/index.php
@@ -111,7 +111,7 @@ if($a->module != 'install')
 
 // make sure the desired theme exists, though if the default theme doesn't exist we're stuffed.
 
-if((x($_SESSION,'theme')) && (! file_exists('/view/theme/' . $_SESSION['theme'] . '/style.css')))
+if((x($_SESSION,'theme')) && (! file_exists('view/theme/' . $_SESSION['theme'] . '/style.css')))
 	unset($_SESSION['theme']);
 
 $a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array(