diff --git a/packages/extension-base/src/background/handlers/Extension.ts b/packages/extension-base/src/background/handlers/Extension.ts
index 9c19f9fd..db1d61b8 100644
--- a/packages/extension-base/src/background/handlers/Extension.ts
+++ b/packages/extension-base/src/background/handlers/Extension.ts
@@ -121,11 +121,11 @@ export default class Extension {
 
     // cycle through authUrls and prepare the array of diff
     Object.entries(this.#state.authUrls).forEach(([url, urlInfo]) => {
-      if (!urlInfo.authorizedAccounts.includes(address)) {
-        return;
+      // Note that urlInfo.authorizedAccounts may be undefined if this website entry
+      // was created before the "account authorization per website" functionality was introduced
+      if (urlInfo.authorizedAccounts?.includes(address)) {
+        authorizedAccountsDiff.push([url, urlInfo.authorizedAccounts.filter((previousAddress) => previousAddress !== address)]);
       }
-
-      authorizedAccountsDiff.push([url, urlInfo.authorizedAccounts.filter((previousAddress) => previousAddress !== address)]);
     });
 
     this.#state.updateAuthorizedAccounts(authorizedAccountsDiff);