diff -urN plugins.orig/managesieve/lib/rcube_sieve_script.php plugins/managesieve/lib/rcube_sieve_script.php
--- plugins.orig/managesieve/lib/rcube_sieve_script.php	2011-11-18 16:44:48.000000000 +0200
+++ plugins/managesieve/lib/rcube_sieve_script.php	2012-03-09 01:50:33.000000000 +0200
@@ -438,9 +438,11 @@
             }
         }
 
+$exts[] = "include";
         // requires
         if (!empty($exts))
-            $output = 'require ["' . implode('","', array_unique($exts)) . "\"];\n" . $output;
+//            $output = 'require ["' . implode('","', array_unique($exts)) . "\"];\n" . $output;
+$output = 'require ["' . implode('","', array_unique($exts)) . "\"];\n" . "include :global \"global-spam.sieve\";\n" . $output;
 
         if (!empty($this->prefix)) {
             $output = $this->prefix . "\n\n" . $output;