diff --git a/flutter/lib/desktop/widgets/remote_menubar.dart b/flutter/lib/desktop/widgets/remote_menubar.dart
index c1a7bdce2..fc35fb47e 100644
--- a/flutter/lib/desktop/widgets/remote_menubar.dart
+++ b/flutter/lib/desktop/widgets/remote_menubar.dart
@@ -1185,10 +1185,25 @@ class _RemoteMenubarState extends State<RemoteMenubar> {
     final keyboardMenu = [
       MenuEntryRadios<String>(
         text: translate('Ratio'),
-        optionsGetter: () => [
-          MenuEntryRadioOption(text: translate('Legacy mode'), value: 'legacy'),
-          MenuEntryRadioOption(text: translate('Map mode'), value: 'map'),
-        ],
+        optionsGetter: () {
+          List<MenuEntryRadioOption> list = [];
+          List<String> modes = ["legacy"];
+
+          if (bind.sessionIsKeyboardModeSupported(id: widget.id, mode: "map")) {
+            modes.add("map");
+          }
+
+          for (String mode in modes) {
+            if (mode == "legacy") {
+              list.add(MenuEntryRadioOption(
+                  text: translate('Legacy mode'), value: 'legacy'));
+            } else if (mode == "map") {
+              list.add(MenuEntryRadioOption(
+                  text: translate('Map mode'), value: 'map'));
+            }
+          }
+          return list;
+        },
         curOptionGetter: () async {
           return await bind.sessionGetKeyboardMode(id: widget.id) ?? "legacy";
         },
diff --git a/src/flutter_ffi.rs b/src/flutter_ffi.rs
index ddfaad06d..61b01f50c 100644
--- a/src/flutter_ffi.rs
+++ b/src/flutter_ffi.rs
@@ -7,11 +7,14 @@ use std::{
 use flutter_rust_bridge::{StreamSink, SyncReturn, ZeroCopyBuffer};
 use serde_json::json;
 
+use crate::common::is_keyboard_mode_supported;
+use hbb_common::message_proto::KeyboardMode;
 use hbb_common::ResultType;
 use hbb_common::{
     config::{self, LocalConfig, PeerConfig, ONLINE},
     fs, log,
 };
+use std::str::FromStr;
 
 // use crate::hbbs_http::account::AuthResult;
 
@@ -245,6 +248,21 @@ pub fn session_get_custom_image_quality(id: String) -> Option<Vec<i32>> {
     }
 }
 
+pub fn session_is_keyboard_mode_supported(id: String, mode: String) -> SyncReturn<bool> {
+    if let Some(session) = SESSIONS.read().unwrap().get(&id) {
+        if let Ok(mode) = KeyboardMode::from_str(&mode[..]) {
+            SyncReturn(is_keyboard_mode_supported(
+                &mode,
+                session.get_peer_version(),
+            ))
+        } else {
+            SyncReturn(false)
+        }
+    } else {
+        SyncReturn(false)
+    }
+}
+
 pub fn session_set_custom_image_quality(id: String, value: i32) {
     if let Some(session) = SESSIONS.write().unwrap().get_mut(&id) {
         session.save_custom_image_quality(value);