diff --git a/app/Command.php b/app/Command.php
index 2fd366b..46d839d 100644
--- a/app/Command.php
+++ b/app/Command.php
@@ -19,7 +19,7 @@ private function __construct(private string $command, private array $arguments =
     {
     }
 
-    private function toString(): string
+    private function to_string(): string
     {
         return $this->command() . ' ' . $this->arguments();
 
@@ -74,6 +74,6 @@ private function wp_cli_phar_path(): string
 
     public static function from(string $command, array $arguments = []): string
     {
-        return (new self($command, $arguments))->toString();
+        return (new self($command, $arguments))->to_string();
     }
 }