diff --git a/src/entrypoints/prepare.ts b/src/entrypoints/prepare.ts
index 774e335..fda8119 100644
--- a/src/entrypoints/prepare.ts
+++ b/src/entrypoints/prepare.ts
@@ -26,7 +26,8 @@ async function run() {
     const claudeCredentials = process.env.CLAUDE_CREDENTIALS;
     const anthropicApiKey = process.env.ANTHROPIC_API_KEY;
 
-    if (claudeCredentials && anthropicApiKey === "use-oauth") {
+    // Check if OAuth credentials are provided and API key is empty (OAuth mode)
+    if (claudeCredentials && !anthropicApiKey) {
       await setupOAuthCredentials(claudeCredentials);
       console.log(
         "OAuth credentials configured for Claude AI Max subscription",