diff --git a/explorer/__init__.py b/explorer/__init__.py
index f06d0d29..562f3d90 100644
--- a/explorer/__init__.py
+++ b/explorer/__init__.py
@@ -1,7 +1,7 @@
 __version_info__ = {
     "major": 4,
     "minor": 0,
-    "patch": 1,
+    "patch": 2,
     "releaselevel": "final",
     "serial": 0
 }
diff --git a/explorer/src/js/explorer.js b/explorer/src/js/explorer.js
index 299fbb22..d9c891da 100644
--- a/explorer/src/js/explorer.js
+++ b/explorer/src/js/explorer.js
@@ -188,9 +188,6 @@ export class ExplorerEditor {
             }
         })
 
-        // Define the beforeUnloadHandler function for easier add/remove
-
-
         document.querySelectorAll('.query_favorite_toggle').forEach(function(element) {
             element.addEventListener('click', toggleFavorite);
         });
@@ -291,10 +288,13 @@ export class ExplorerEditor {
         }
 
         // List.js setup for the preview pane to support sorting
-        let thElements = document.querySelector('#preview').querySelectorAll('th');
-        new List('preview', {
-            valueNames: Array.from(thElements, (_, index) => index)
-        });
+        let previewPane = document.querySelector('#preview');
+        if (previewPane) {
+            let thElements = previewPane.querySelectorAll('th');
+            new List('preview', {
+                valueNames: Array.from(thElements, (_, index) => index)
+            });
+        }
 
         document.querySelectorAll('.sort').forEach(sortButton => {
             sortButton.addEventListener('click', function(e) {
diff --git a/explorer/src/js/main.js b/explorer/src/js/main.js
index c69a07cb..ae188715 100644
--- a/explorer/src/js/main.js
+++ b/explorer/src/js/main.js
@@ -19,5 +19,7 @@ const route_initializers = {
 };
 
 document.addEventListener('DOMContentLoaded', function() {
-    route_initializers[clientRoute]();
+    if (route_initializers.hasOwnProperty(clientRoute)) {
+        route_initializers[clientRoute]();
+    }
 });
diff --git a/explorer/templates/explorer/fullscreen.html b/explorer/templates/explorer/fullscreen.html
index 746316b4..62790bd7 100644
--- a/explorer/templates/explorer/fullscreen.html
+++ b/explorer/templates/explorer/fullscreen.html
@@ -8,7 +8,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>{% trans "SQL Explorer" %}{% if query %} - {{ query.title }}{% elif title %} - {{ title }}{% endif %}</title>
     {% block style %}
-        {% vite_asset 'scss/main.scss' %}
+        {% vite_asset 'scss/styles.scss' %}
     {% endblock style %}
 </head>