diff --git a/browser/components/urlbar/UrlbarProviderSearchTips.jsm b/browser/components/urlbar/UrlbarProviderSearchTips.jsm
index 43c25ba136c8..48cfbfe3b05f 100644
--- a/browser/components/urlbar/UrlbarProviderSearchTips.jsm
+++ b/browser/components/urlbar/UrlbarProviderSearchTips.jsm
@@ -412,7 +412,7 @@ async function lastBrowserUpdateDate() {
   // Get the newest update in the update history. This isn't perfect
   // because these dates are when updates are applied, not when the
   // user restarts with the update. See bug 1595328.
-  if (updateManager.updateCount) {
+  if (updateManager && updateManager.updateCount) {
     let update = updateManager.getUpdateAt(0);
     return update.installDate;
   }