--- job_queue.module       2007-08-02 13:09:55.000000000 -0700
+++ job_queue.module    2007-09-03 18:02:20.000000000 -0700
@@ -59,7 +59,9 @@ function job_queue_dequeue() {
   $result = db_query_range('SELECT jqid, description, function, arguments, file FROM {job_queue} ORDER BY jqid', 0, 1);
   if (db_num_rows($result) > 0) {
     $job = db_fetch_object($result);
-    include_once $job->file;
+    if ($job->file) { 
+      include_once $job->file;
+    }
     if (function_exists($job->function)) {
       call_user_func_array($job->function, unserialize($job->arguments));
       watchdog('job_queue', t('Ran queued job "!description"', array('!description' => $job->description)));