diff --git a/src/usr/local/www/firewall_aliases_import.php b/src/usr/local/www/firewall_aliases_import.php
index b0c87b58dc..f90533a761 100644
--- a/src/usr/local/www/firewall_aliases_import.php
+++ b/src/usr/local/www/firewall_aliases_import.php
@@ -55,6 +55,10 @@ if (empty($tab)) {
 $pgtitle = array(gettext("Firewall"), gettext("Aliases"), gettext("Bulk import"));
 $pglinks = array("", "firewall_aliases.php?tab=" . $tab, "@self");
 
+if (!is_array($config['aliases'])) {
+	$config['aliases'] = array();
+}
+
 if (!is_array($config['aliases']['alias'])) {
 	$config['aliases']['alias'] = array();
 }