diff --git a/src/CliKernel.php b/src/CliKernel.php
index 3422a2e..623fd71 100644
--- a/src/CliKernel.php
+++ b/src/CliKernel.php
@@ -182,7 +182,7 @@ private function renderHelp(): void
 				$inst = $inst
 					->addOption(
 						"./maple $name",
-						$desc
+						(string)$desc
 					);
 			}
 			return $inst;