diff --git a/app/provision/resources/classes/provision.php b/app/provision/resources/classes/provision.php
index fa633a505a..d559bafb75 100644
--- a/app/provision/resources/classes/provision.php
+++ b/app/provision/resources/classes/provision.php
@@ -937,7 +937,7 @@ include "root.php";
 					}
 
 				//get the provisioning information from device keys
-					if (strlen($device_uuid) > 0) {
+					if (isset($device_uuid)) {
 
 						//get the device keys array
 							$sql = "SELECT * FROM v_device_keys ";