diff --git a/htdocs/public/index.php b/htdocs/public/index.php
index 493dbb0..a318d61 100755
--- a/htdocs/public/index.php
+++ b/htdocs/public/index.php
@@ -140,7 +140,7 @@
                        <?php if (getWebsiteConfig('websocket_url') != null) : ?>
                            var wsServerUrl = "<?php echo getWebsiteConfig('websocket_url'); ?>";
                         <?php else : ?>
-                            var wsServerUrl = 'ws://<?php echo $_SERVER['HTTP_HOST']; ?>:9002/ws';
+                            var wsServerUrl = 'ws://<?php echo $_SERVER['HTTP_HOST']; ?>:9001/ws';
                         <?php endif; ?>
                         var mapElementId = 'map-container';