diff --git a/src/auth/anthropic.ts b/src/auth/anthropic.ts
index 1bf4525..253c84c 100644
--- a/src/auth/anthropic.ts
+++ b/src/auth/anthropic.ts
@@ -92,7 +92,7 @@ export function startCallbackServer(timeoutMs: number): Promise<CallbackServer>
 export function openBrowser(url: string): void {
   const cmd = process.platform === 'win32' ? 'start'
     : process.platform === 'darwin' ? 'open'
-    : 'xdg-open';
+      : 'xdg-open';
   try {
     spawn(cmd, [url], { detached: true, stdio: 'ignore' }).unref();
   } catch {