Index: trunk/core/units/general/cat_event_handler.php
===================================================================
diff -u -N -r3787 -r3813
--- trunk/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 3787)
+++ trunk/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 3813)
@@ -1428,7 +1428,7 @@
 		}
 		else {
 			$event->redirect = $this->getModuleFolder($event).'/'.$event->Special.'_progress';
-			$redirect_params = Array($event->getPrefixSpecial().'_event' => 'OnExportProgress', 'pass' => 'm,'.$event->getPrefixSpecial());
+			$redirect_params = Array($event->getPrefixSpecial().'_event' => 'OnExportProgress', 'pass' => 'm,'.$event->getPrefixSpecial(), 'rand' => rand(0,1000000));
 			$event->setRedirectParams($redirect_params);
 		}
 	}