Index: branches/RC/core/kernel/event_manager.php
===================================================================
diff -u -N -r9732 -r10080
--- branches/RC/core/kernel/event_manager.php	(.../event_manager.php)	(revision 9732)
+++ branches/RC/core/kernel/event_manager.php	(.../event_manager.php)	(revision 10080)
@@ -125,9 +125,12 @@
 			if (!$query_map) {
 				if (preg_match('/(.*?)-(.*)/', $prefix, $regs)) {
 					// #prefix - format for configs, that are only cloned & optionally used for hooking (without # is old format)
-					$prefix = $this->Application->UnitConfigReader->prefixRegistred('#'.$regs[2]) ? '#'.$regs[2] : $regs[2];
-
-					return $this->Application->getUnitOption($prefix, 'QueryString');
+					$check_prefixes = Array ('#'.$regs[2], $regs[2]);
+					foreach ($check_prefixes as $check_prefix) {
+						if ($this->Application->UnitConfigReader->prefixRegistred($check_prefix)) {
+							return $this->Application->getUnitOption($check_prefix, 'QueryString');
+						}
+					}
 				}
 			}