diff --git a/client/ui/App.tsx b/client/ui/App.tsx
index 95798b9..7813ffc 100644
--- a/client/ui/App.tsx
+++ b/client/ui/App.tsx
@@ -112,7 +112,7 @@ export default function App() {
     }
 
     async function openUserInfoDialog(user: User | string) {
-        if (user instanceof User) {
+        if (typeof user == 'object') {
             setUserInfo(user)
         } else {
             setUserInfo(await DataCaches.getUserProfile(user))
diff --git a/client/ui/AppMobile.tsx b/client/ui/AppMobile.tsx
index bbd6aab..e51fba3 100644
--- a/client/ui/AppMobile.tsx
+++ b/client/ui/AppMobile.tsx
@@ -112,7 +112,7 @@ export default function AppMobile() {
     }
 
     async function openUserInfoDialog(user: User | string) {
-        if (user instanceof User) {
+        if (typeof user == 'object') {
             setUserInfo(user)
         } else {
             setUserInfo(await DataCaches.getUserProfile(user))