diff --git a/browser/components/preferences/main.inc.xhtml b/browser/components/preferences/main.inc.xhtml
index 8c555c0f0cd5..5ed901b4c81c 100644
--- a/browser/components/preferences/main.inc.xhtml
+++ b/browser/components/preferences/main.inc.xhtml
@@ -562,8 +562,8 @@
                 disabled="true"/>
       </hbox>
       <hbox id="manualUpdate" align="start">
-        <description class="face-sad" flex="1" data-l10n-id="update-manual">
-          <label class="manualLink" data-l10n-name="manual-link" is="text-link"/>
+        <description class="face-sad" data-l10n-id="aboutdialog-update-manual">
+          <html:a class="manualLink" data-l10n-name="manual-link" target="_blank"/>
         </description>
         <button data-l10n-id="update-checkForUpdatesButton"
                 is="highlightable-button"
diff --git a/browser/locales/en-US/browser/aboutDialog.ftl b/browser/locales/en-US/browser/aboutDialog.ftl
index 0b24e19e2084..23cf0e294823 100644
--- a/browser/locales/en-US/browser/aboutDialog.ftl
+++ b/browser/locales/en-US/browser/aboutDialog.ftl
@@ -29,7 +29,7 @@ update-noUpdatesFound = { -brand-short-name } is up to date
 aboutdialog-update-checking-failed = Failed to check for updates.
 update-otherInstanceHandlingUpdates = { -brand-short-name } is being updated by another instance
 
-update-manual = Updates available at <label data-l10n-name="manual-link"/>
+aboutdialog-update-manual = Updates available at <a data-l10n-name="manual-link"/>
 
 update-unsupported = You can not perform further updates on this system. <label data-l10n-name="unsupported-link">Learn more</label>
 
diff --git a/toolkit/mozapps/update/tests/browser/head.js b/toolkit/mozapps/update/tests/browser/head.js
index 7fa01e08f48a..803d798ffa81 100644
--- a/toolkit/mozapps/update/tests/browser/head.js
+++ b/toolkit/mozapps/update/tests/browser/head.js
@@ -1116,6 +1116,12 @@ function runAboutPrefsUpdateTest(params, steps) {
             if (selectedPanel.id == "downloadFailed") {
               selector = "a.text-link";
             }
+            // The manualUpdate panel in about:preferences uses
+            // the moz-support-link element which doesn't have
+            // the .text-link class.
+            if (selectedPanel.id == "manualUpdate") {
+              selector = "a.manualLink";
+            }
             let link = selectedPanel.querySelector(selector);
             is(
               link.href,