diff --git a/portal/index.php b/portal/index.php
index f61b2c255..aab0a59c1 100644
--- a/portal/index.php
+++ b/portal/index.php
@@ -118,7 +118,7 @@ function SelectService($oP, $oUserOrg)
 	{
 		$id = $oService->GetKey();
 		$sChecked = "";
-		if ($id == $aParameters['service_id'])
+		if (isset($aParameters['service_id']) && ($id == $aParameters['service_id']))
 		{
 			$sChecked = "checked";
 		}