diff --git a/src/lib/auth-client.ts b/src/lib/auth-client.ts
index 6a9939a..02b7608 100644
--- a/src/lib/auth-client.ts
+++ b/src/lib/auth-client.ts
@@ -1,7 +1,7 @@
 import { createAuthClient } from "better-auth/react";
 
 export const authClient = createAuthClient({
-  baseURL: import.meta.env.VITE_API_URL ?? "",
+  baseURL: import.meta.env.VITE_API_URL || (typeof window !== "undefined" ? window.location.origin : ""),
 });
 
 export const { signIn, signOut, useSession, changePassword } = authClient;
\ No newline at end of file