diff --git a/public/index.html b/public/index.html
index 9919618..23034da 100644
--- a/public/index.html
+++ b/public/index.html
@@ -53,7 +53,7 @@
         const endpoint = isRegisterMode ? '/auth/register' : '/auth/login';
 
         try {
-            const response = await fetch(`http://localhost:5003${endpoint}`, {
+            const response = await fetch(endpoint, {
                 method: 'POST',
                 headers: { 'Content-Type': 'application/json' },
                 body: JSON.stringify({ username, password })