diff --git a/packages/browser-extension/src/popup.html b/packages/browser-extension/src/popup.html
index ab366e2..a6592ce 100644
--- a/packages/browser-extension/src/popup.html
+++ b/packages/browser-extension/src/popup.html
@@ -121,7 +121,7 @@
           </svg>
         </a>
       </p>
-      <div class="grid">
+      <div class="content">
         <button class="popup-button" disabled id="power-option">
           <svg
             aria-hidden="true"
diff --git a/packages/browser-extension/src/scripts/popup.js b/packages/browser-extension/src/scripts/popup.js
index bc2d6d7..c4684a2 100644
--- a/packages/browser-extension/src/scripts/popup.js
+++ b/packages/browser-extension/src/scripts/popup.js
@@ -124,7 +124,7 @@ async function handleContentLoaded() {
   const { exclusions } = (await dispatch({ hostname, type: 'GET_DATA' })) ?? {};
   const currentVersion = browser.runtime.getManifest().version;
   const latestVersion = await dispatch({ type: 'GET_LATEST_VERSION' });
-  const updateAvailable = currentVersion !== latestVersion;
+  const updateAvailable = latestVersion && currentVersion !== latestVersion;
 
   if (updateAvailable) {
     const updateBanner = document.getElementById('update-banner');
diff --git a/packages/browser-extension/src/styles/popup.css b/packages/browser-extension/src/styles/popup.css
index dfd81b7..d0b7247 100644
--- a/packages/browser-extension/src/styles/popup.css
+++ b/packages/browser-extension/src/styles/popup.css
@@ -96,7 +96,7 @@ header {
   }
 }
 
-.grid {
+.content {
   display: grid;
   grid-template-columns: repeat(2, 1fr);
   gap: 16px;