diff --git a/app/subnets/subnet-details/subnet-details.php b/app/subnets/subnet-details/subnet-details.php
index 192e97b8440d9acb569df3e4096962ce1c05e19f..89f4ca4c7606cf2e05d0272e59e16f63194c434f 100755
--- a/app/subnets/subnet-details/subnet-details.php
+++ b/app/subnets/subnet-details/subnet-details.php
@@ -594,6 +594,7 @@ else {
 
 	print "	<div class='btn-toolbar'>";
 
+	$sp = [];
 	# set values for permissions
 	if($subnet_permission == 1) {
 		$sp['editsubnet']= false;		//edit subnet