Index: category.module
===================================================================
RCS file: /usr/cvsroot/pwpages/modules/category/category.module,v
retrieving revision 1.1
diff -u -r1.1 category.module
--- category.module     31 Jul 2006 23:22:32 -0000      1.1
+++ category.module     3 Aug 2006 16:11:10 -0000
@@ -695,6 +695,7 @@
   if (!isset($node->parents) || !is_array($node->parents)) {
     $node->parents = array($node->parents);
   }
+  $node->parents = array_values($node->parents);
   if (!isset($node->parents[0])) {
     if ($node->type == 'category-cat') {
       $node->parents[0] = $node->parent = $node->cnid;