diff --git a/modules/InfoCard/www/tokenservice.php b/modules/InfoCard/www/tokenservice.php
index 62cc37bc50c4a79ffb763e65f3eb3870e7da2302..f9ad93fcca6301936e6c322320660002b2860dc1 100644
--- a/modules/InfoCard/www/tokenservice.php
+++ b/modules/InfoCard/www/tokenservice.php
@@ -118,7 +118,7 @@ if ($authenticated){
 }
 
 
-Header('Content-length: '.strlen($buf)+1);
+Header('Content-length: '.strlen($response)+1);
 print($response);
 
 //LOG