diff --git a/src/commands/doctor-auth.deprecated-cli-profiles.test.ts b/src/commands/doctor-auth.deprecated-cli-profiles.test.ts
index a43808cf0a4..1eb38241d48 100644
--- a/src/commands/doctor-auth.deprecated-cli-profiles.test.ts
+++ b/src/commands/doctor-auth.deprecated-cli-profiles.test.ts
@@ -58,7 +58,7 @@ function requireAuthConfig(config: OpenClawConfig): NonNullable<OpenClawConfig["
 }
 
 function requireFirstMockArg<T>(mock: { mock: { calls: T[][] } }, label: string): T {
-  const call = mock.mock.calls.at(0);
+  const call = mock.mock.calls[0];
   if (!call) {
     throw new Error(`expected ${label} call`);
   }