diff --git a/src/Bard.php b/src/Bard.php
index 6bab72c..a0fbafd 100644
--- a/src/Bard.php
+++ b/src/Bard.php
@@ -32,7 +32,7 @@ public function __construct($timeout = 6, $proxies = null, $session = null) {
         if ($session === null) {
             $this->session = curl_init();
             curl_setopt($this->session, CURLOPT_HTTPHEADER, $headers);
-            curl_setopt($this->session, CURLOPT_COOKIE, "__Secure-1PSID=" . $_ENV["_BARD_API_KEY_1PSID"]."; __Secure-1PSIDTS=" . $_ENV["_BARD_API_KEY_1PSIDTS"]);
+            curl_setopt($this->session, CURLOPT_COOKIE, "__Secure-1PSID=" . $_ENV["BARD_API_KEY_X"]."; __Secure-1PSIDTS=" . $_ENV["BARD_API_KEY_Y"]);
             curl_setopt($this->session, CURLOPT_RETURNTRANSFER, true);
         } else {
             $this->session = $session;