diff --git a/src/Telegram.php b/src/Telegram.php
index 506af69f..376d78c1 100644
--- a/src/Telegram.php
+++ b/src/Telegram.php
@@ -347,7 +347,7 @@ public function getCommandClassName(string $auth, string $command, string $filep
 
         $command_class = $command_namespace . '\\' . $this->commandNameToClassName($command);
 
-        if (class_exists($command_class)) {
+        if (class_exists($command_class, false)) {
             return $command_class;
         }