diff --git a/frontend-web/src/pages/LoginPage.tsx b/frontend-web/src/pages/LoginPage.tsx
index 16ee95b9..1efa069d 100644
--- a/frontend-web/src/pages/LoginPage.tsx
+++ b/frontend-web/src/pages/LoginPage.tsx
@@ -11,6 +11,9 @@ import {
 } from "@/core/page-layout/sidebar-enabled";
 
 const DEFAULT_USERNAME = "guest";
+const IFRAME_LOGIN_SOURCE = "iframe";
+const DEFAULT_REDIRECT_PATH = "/page/workspace/chats/new";
+const IFRAME_REDIRECT_PATH = "/page/workspace/chats_iframe/new";
 
 type LoginStatus = "loading" | "success" | "error";
 
@@ -22,6 +25,13 @@ export default function LoginPage() {
     () => isSidebarEnabledFromSearch(searchParams.toString()),
     [searchParams],
   );
+  const redirectPath = useMemo(
+    () =>
+      searchParams.get("from") === IFRAME_LOGIN_SOURCE
+        ? IFRAME_REDIRECT_PATH
+        : DEFAULT_REDIRECT_PATH,
+    [searchParams],
+  );
   const resolvedUsername = useMemo(() => {
     const raw = username?.trim();
     return raw && raw.length > 0 ? raw : DEFAULT_USERNAME;
@@ -43,7 +53,7 @@ export default function LoginPage() {
         setStoredAuth(auth);
         persistSidebarEnabled(sidebarEnabled);
         setStatus("success");
-        router.replace("/page/workspace/chats/new");
+        router.replace(redirectPath);
       } catch (error) {
         if (cancelled) {
           return;
@@ -59,7 +69,7 @@ export default function LoginPage() {
     return () => {
       cancelled = true;
     };
-  }, [resolvedUsername, router, sidebarEnabled]);
+  }, [redirectPath, resolvedUsername, router, sidebarEnabled]);
 
   return (
     <div className="flex min-h-screen items-center justify-center bg-background px-6">