diff --git a/system/Debug/Toolbar/Views/toolbar.js b/system/Debug/Toolbar/Views/toolbar.js
index cd0b05581e2a..073a76ab4312 100644
--- a/system/Debug/Toolbar/Views/toolbar.js
+++ b/system/Debug/Toolbar/Views/toolbar.js
@@ -650,7 +650,7 @@ var ciDebugBar = {
     },
 
     hotReloadConnect: function () {
-        const eventSource = new EventSource(ciSiteURL + "__hot-reload");
+        const eventSource = new EventSource(ciSiteURL + "/__hot-reload");
 
         eventSource.addEventListener("reload", function (e) {
             console.log("reload", e);
diff --git a/system/Debug/Toolbar/Views/toolbar.tpl.php b/system/Debug/Toolbar/Views/toolbar.tpl.php
index 6e62340c6ded..aadf72ee19ad 100644
--- a/system/Debug/Toolbar/Views/toolbar.tpl.php
+++ b/system/Debug/Toolbar/Views/toolbar.tpl.php
@@ -23,7 +23,7 @@
 </style>
 
 <script id="toolbar_js">
-    var ciSiteURL = "<?= site_url() ?>"
+    var ciSiteURL = "<?= rtrim(site_url(), '/') ?>"
     <?= file_get_contents(__DIR__ . '/toolbar.js') ?>
 </script>
 <div id="debug-icon" class="debug-bar-ndisplay">