Index: supercron.classes.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/supercron/supercron.classes.inc,v
retrieving revision 1.2
diff -u -p -r1.2 supercron.classes.inc
--- supercron.classes.inc	16 May 2010 19:40:13 -0000	1.2
+++ supercron.classes.inc	29 Sep 2010 21:21:21 -0000
@@ -12,7 +12,7 @@
 
 function _supercron_parallel_call($url) {
     $parts = parse_url($url);
-    $u     = $parts['path'] .'?'. $parts['query'];
+    $u     = $parts['path'] .'?'. (isset($parts['query']) ? $parts['query'] : '');
     $port  = isset($parts['port']) ? $parts['port'] : 80;
     $fp    = fsockopen($parts['host'], $port, $errno, $errstr, 20);
     if ($fp) {