diff --git a/core/main.js b/core/main.js
index 26c545b2..c592e028 100644
--- a/core/main.js
+++ b/core/main.js
@@ -65,7 +65,6 @@ main._initializeSettings = function () {
             });
         }
 
-
         stateManager.selectedIcon = items.selectedIcon;
         wrappers.setIcon({
             'path': stateManager.selectedIcon
@@ -90,14 +89,22 @@ main._showReleaseNotes = function (details) {
             }
         });
     } else if (details.reason === chrome.runtime.OnInstalledReason.UPDATE) {
-        storageManager.type.get([Setting.LAST_MAPPING_UPDATE, Setting.UPDATE_NOTIFICATION], function (items) {
+        storageManager.type.get(null, function (items) {
             let mappingUpdate = items.lastMappingUpdate !== mappings.lastMappingUpdate;
 
+            // Remove old keys
+            for (const key of Object.keys(items)) {
+                if (!(key in SettingDefaults)) {
+                    delete items[key];
+                }
+            }
+            // Override old value https://codeberg.org/nobody/LocalCDN/issues/177
+            items.xhrTestDomain = 'localcdn.org';
+
             // Updated mappings.js
             if (mappingUpdate) {
-                storageManager.type.set({
-                    [Setting.LAST_MAPPING_UPDATE]: mappings.lastMappingUpdate
-                });
+                items.lastMappingUpdate = mappings.lastMappingUpdate;
+                storageManager.type.set(items);
             }
 
             if ( (mappingUpdate && items.updateNotification == 1) || items.updateNotification == 2 ) {
diff --git a/pages/updates/updates.html b/pages/updates/updates.html
index 36461b76..8d1b300b 100644
--- a/pages/updates/updates.html
+++ b/pages/updates/updates.html
@@ -25,7 +25,7 @@
                         New in LocalCDN:
                     </div>
                     <ul>
-                        <li></li>
+                        <li>Fixed: Exported settings have old values (<a href="https://codeberg.org/nobody/LocalCDN/issues/177">#177</a>)</li>
                     </ul>
                     <div id="generator-section">
                         <div class="topic-label">