diff --git a/flutter/lib/models/model.dart b/flutter/lib/models/model.dart
index 06bfeec45..20999f1bb 100644
--- a/flutter/lib/models/model.dart
+++ b/flutter/lib/models/model.dart
@@ -1631,8 +1631,14 @@ class FFI {
   }
 
   /// Login with [password], choose if the client should [remember] it.
-  void login(String id, String password, bool remember) {
-    bind.sessionLogin(id: id, password: password, remember: remember);
+  void login(String osUsername, String osPassword, String id, String password,
+      bool remember) {
+    bind.sessionLogin(
+        id: id,
+        os_username: osUsername,
+        os_password: osPassword,
+        password: password,
+        remember: remember);
   }
 
   /// Close the remote session.
diff --git a/src/flutter_ffi.rs b/src/flutter_ffi.rs
index aee486b94..c810437fb 100644
--- a/src/flutter_ffi.rs
+++ b/src/flutter_ffi.rs
@@ -136,9 +136,15 @@ pub fn session_get_option(id: String, arg: String) -> Option<String> {
     }
 }
 
-pub fn session_login(id: String, password: String, remember: bool) {
+pub fn session_login(
+    id: String,
+    os_username: String,
+    os_password: String,
+    password: String,
+    remember: bool,
+) {
     if let Some(session) = SESSIONS.read().unwrap().get(&id) {
-        session.login(password, remember);
+        session.login(os_username, os_password, password, remember);
     }
 }