diff --git a/macro.inc.php b/macro.inc.php
index bb0bec4..3e718f4 100644
--- a/macro.inc.php
+++ b/macro.inc.php
@@ -114,7 +114,7 @@ function macro_SELF_CONF_ID($jsm)
   $proto_id = 0;
   $alias = "";
   if(!\taskman\config_get_header($file, $proto_id, $alias))
-    $proto_id = \taskman\config_get_id($file);
+    throw new Exception("No valid header for config: $file");
   return $proto_id;
 }