diff --git a/webui/wisp-user-add.php b/webui/wisp-user-add.php
index 72866c895b6c7bbb810f722f19f27d50f46b608d..b874f89679f38466f0ee0b1ffec1cba860090dc9 100644
--- a/webui/wisp-user-add.php
+++ b/webui/wisp-user-add.php
@@ -118,7 +118,7 @@ if (!isset($_POST['frmaction'])) {
 
 }
 	
-if ($_POST['frmaction'] == "insert") {
+if (isset($_POST['frmaction']) && $_POST['frmaction'] == "insert") {
 
 ?>