diff --git a/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Login.cshtml.cs b/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Login.cshtml.cs
index c17eb1e28f..cef45c2f4f 100644
--- a/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Login.cshtml.cs
+++ b/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Login.cshtml.cs
@@ -75,7 +75,7 @@ public class LoginModel : AccountPageModel
 
     public virtual async Task<IActionResult> OnGetAsync()
     {
-        LoginInput = new LoginInputModel();
+        LoginInput ??= new LoginInputModel();
 
         ExternalProviders = await GetExternalProviders();