diff --git a/admin.html b/admin.html
index 09b7071..ff83ae8 100644
--- a/admin.html
+++ b/admin.html
@@ -2036,7 +2036,7 @@
   document.getElementById('logout-btn').addEventListener('click', async () => {
     try {
       await fetch('backend/logout.php');
-      window.location.href = 'index.html';
+      window.location.href = 'index.php';
     } catch (err) {
       console.error(err);
     }
diff --git a/build.js b/build.js
index 9bca7da..b0bacf7 100644
--- a/build.js
+++ b/build.js
@@ -304,7 +304,7 @@ ${css}
 
     document.getElementById('logout-btn').addEventListener('click', async () => {
         await fetch('backend/logout.php');
-        window.location.href = 'index.html';
+        window.location.href = 'index.php';
     });
 
     // Global variables
diff --git a/index.html b/index.php
similarity index 100%
rename from index.html
rename to index.php
diff --git a/login.html b/login.html
index 7407a42..bfa88a3 100644
--- a/login.html
+++ b/login.html
@@ -49,7 +49,7 @@
             <button type="submit" class="btn">Login</button>
         </form>
     </div>
-    <a href="index.html" class="back-link">← Kembali ke Beranda</a>
+    <a href="index.php" class="back-link">← Kembali ke Beranda</a>
 </div>
 
 <script>
diff --git a/poverty.html b/poverty.html
index b6ecf7d..4645ac2 100644
--- a/poverty.html
+++ b/poverty.html
@@ -199,7 +199,7 @@
             <div class="sidebar-item-icon">🗺</div>
             <div class="sidebar-item-text">Peta Kemiskinan</div>
           </div>
-          <a href="index.html" class="sidebar-item">
+          <a href="index.php" class="sidebar-item">
             <div class="sidebar-item-icon">🏠</div>
             <div class="sidebar-item-text">Beranda</div>
           </a>
@@ -448,4 +448,4 @@
   initMap();
 </script>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/spbu.html b/spbu.html
index a7dd760..e7df9cc 100644
--- a/spbu.html
+++ b/spbu.html
@@ -200,7 +200,7 @@
             <div class="sidebar-item-icon">🗺</div>
             <div class="sidebar-item-text">Peta SPBU</div>
           </div>
-          <a href="index.html" class="sidebar-item">
+          <a href="index.php" class="sidebar-item">
             <div class="sidebar-item-icon">🏠</div>
             <div class="sidebar-item-text">Beranda</div>
           </a>
@@ -439,4 +439,4 @@
   loadSPBU();
 </script>
 </body>
-</html>
\ No newline at end of file
+</html>