Index: views_union.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/views_union/views_union.module,v
retrieving revision 1.3
diff -u -u -p -r1.3 views_union.module
--- views_union.module	22 Aug 2007 20:55:12 -0000	1.3
+++ views_union.module	12 Oct 2007 11:25:06 -0000
@@ -221,7 +221,9 @@ function views_union_views_pre_view(&$vi
 
   $masterargs = array();
   foreach ($view->views_union['argses'] as $args) {
-    $masterargs = array_merge($masterargs, $args);
+    if (count($args)) {
+      $masterargs = array_merge($masterargs, $args);
+    }
   } // foreach args
 
   if ($view->views_union['master_queryobj']->orderby) {