diff --git a/index.php b/index.php
index 0b23e10..c6bc224 100644
--- a/index.php
+++ b/index.php
@@ -196,8 +196,10 @@ if ($CallingHome['Active']) {
 </main>
 <footer class="container-fluid">
     <nav class="navbar navbar-expand-lg navbar-light fixed-bottom" style="background-color: #e3f2fd;">
-        <span class="nav-item">IPv4: <?php echo $PageOptions['IPV4']; ?></span>
-        <span class="nav-item">IPv6: <?php echo $PageOptions['IPV6']; ?></span>
+        <div id="navbarCollapse" class="collapse navbar-collapse">
+            <span class="nav-item">IPv4: <?php echo $PageOptions['IPV4']; ?></span>
+            <span class="nav-item">IPv6: <?php echo $PageOptions['IPV6']; ?></span>
+        </div>
         <span class="text-muted"><a href="mailto:<?php echo $PageOptions['ContactEmail']; ?>"><?php echo $PageOptions['ContactEmail']; ?></a></span>
     </nav>
 </footer>