diff --git a/web/skins/classic/views/monitor.php b/web/skins/classic/views/monitor.php
index 2e1d467f6..9867298d5 100644
--- a/web/skins/classic/views/monitor.php
+++ b/web/skins/classic/views/monitor.php
@@ -173,7 +173,7 @@ if ( !empty($_REQUEST['preset']) ) {
   }
 }
 if ( !empty($_REQUEST['probe']) ) {
-  $probe = unserialize(base64_decode($_REQUEST['probe']));
+  $probe = unserialize($_REQUEST['probe']);
   foreach ( $probe as $name=>$value ) {
     if ( isset($value) ) {
       # Does isset handle NULL's?  I don't think this code is correct.