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-rw-r--r--include/functions_group.inc.php6
1 files changed, 2 insertions, 4 deletions
diff --git a/include/functions_group.inc.php b/include/functions_group.inc.php
index 68c01b68d..8575b25a9 100644
--- a/include/functions_group.inc.php
+++ b/include/functions_group.inc.php
@@ -85,10 +85,8 @@ function is_group_allowed( $category_id, $restrictions )
$query.= ' WHERE id = '.$category_id;
$query.= ';';
$row = mysql_fetch_array( mysql_query( $query ) );
- if ( $row['id_uppercat'] == '' )
- {
- $is_root = true;
- }
+ if ( !isset( $row['id_uppercat'] ) ) $row['id_uppercat'] = '';
+ if ( $row['id_uppercat'] == '' ) $is_root = true;
$category_id = $row['id_uppercat'];
}