diff --git a/src/server/cyberhex-code/system/secure_zone/php/add_client.php b/src/server/cyberhex-code/system/secure_zone/php/add_client.php
index abdf7b0..07b6a15 100644
--- a/src/server/cyberhex-code/system/secure_zone/php/add_client.php
+++ b/src/server/cyberhex-code/system/secure_zone/php/add_client.php
@@ -76,6 +76,7 @@ include "../../../config.php";
 						
 						//check if there isn't a machine with the same name allready
 						$sql = "SELECT * FROM machines WHERE machine_location = ?";
+						$stmt = $conn->prepare($sql);
 						$stmt->bind_param("s", $location);
 						$stmt->execute();
 						// Get the result