diff --git a/src/Password.php b/src/Password.php
index c5e0da2..2365990 100644
--- a/src/Password.php
+++ b/src/Password.php
@@ -59,6 +59,6 @@ public function isRevealable(): bool
 
     public function getXRef(): string
     {
-        return Str::of($this->getId())->replace(".", "_")->prepend('input_')->studly()->snake()->toString();
+        return Str::of($this->getId())->replace(".", "_")->prepend('input_')->studly()->snake()->__toString();
     }
 }