diff --git a/filters.inc.php b/filters.inc.php
index 87e580b..b83739c 100644
--- a/filters.inc.php
+++ b/filters.inc.php
@@ -79,10 +79,12 @@ function flt_class($val, $name, $struct, $args)
   
   if(is_string($val))
   {
-    if(strpos($val, '@') === 0)
-      $val = substr($val, 1) . '.conf.js';
+    $conf_path = $val;
+    
+    if(strpos($conf_path, '@') === 0)
+      $conf_path = substr($conf_path, 1) . '.conf.js';
 
-    $conf_path = \taskman\config_real_path($val);
+    $conf_path = \taskman\config_real_path($conf_path);
     
     $lines = file($conf_path);
     foreach($lines as $line)