diff --git a/keepassxc-browser/background/browserAction.js b/keepassxc-browser/background/browserAction.js
index 6847bd9..de1efc6 100755
--- a/keepassxc-browser/background/browserAction.js
+++ b/keepassxc-browser/background/browserAction.js
@@ -206,9 +206,11 @@ browserAction.setRememberPopup = function(tabId, username, password, url, userna
         const settings = item.settings;
 
         // Don't show anything if the site is in the ignore list
-        for (const site of settings.ignoredSites) {
-            if (siteMatch(site.url, url)) {
-                return;
+        if (settings.ignoredSites !== undefined) {
+            for (const site of settings.ignoredSites) {
+                if (siteMatch(site.url, url)) {
+                    return;
+                }
             }
         }