diff --git a/inc/auth.php b/inc/auth.php
index 20f0407c0faf4178e3b219c6438a8e920e7e6c56..25c0f87f9b6106479774d69c0b550fc110a7d6c3 100644
--- a/inc/auth.php
+++ b/inc/auth.php
@@ -62,7 +62,7 @@
       if (!$conf['rememberme']) $_REQUEST['r'] = false;
 
       // streamline HTTP auth credentials (IIS/rewrite -> mod_php)
-      isset($_SERVER['HTTP_AUTHORIZATION']){
+      if(isset($_SERVER['HTTP_AUTHORIZATION'])){
         list($_SERVER['PHP_AUTH_USER'],$_SERVER['PHP_AUTH_PW']) =
           explode(':', base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6)));
       }