diff --git a/packages/shared/anthropic/index.ts b/packages/shared/anthropic/index.ts
index 87e344652a..4cbc78a8c6 100644
--- a/packages/shared/anthropic/index.ts
+++ b/packages/shared/anthropic/index.ts
@@ -72,6 +72,7 @@ export function getSdkClient(provider: Provider, oauthToken?: string | null): An
   }
   return new Anthropic({
     apiKey: provider.apiKey,
+    authToken: provider.apiKey,
     baseURL: provider.apiHost,
     dangerouslyAllowBrowser: true,
     defaultHeaders: {