diff --git a/src/plugins/runtime/metadata-registry-loader.test.ts b/src/plugins/runtime/metadata-registry-loader.test.ts
index 4df6bb63e60..0ab205fab5f 100644
--- a/src/plugins/runtime/metadata-registry-loader.test.ts
+++ b/src/plugins/runtime/metadata-registry-loader.test.ts
@@ -27,7 +27,7 @@ vi.mock("../../agents/agent-scope.js", () => ({
 
 function getOnlyLoadOpenClawPluginsOptions(): PluginLoadOptions {
   expect(loadOpenClawPluginsMock).toHaveBeenCalledTimes(1);
-  const options = loadOpenClawPluginsMock.mock.calls[0]?.[0];
+  const options = loadOpenClawPluginsMock.mock.calls.at(0)?.[0];
   if (!options || typeof options !== "object") {
     throw new Error("expected loadOpenClawPlugins to receive plugin load options");
   }