diff --git a/Notesnook.API/Controllers/UsersController.cs b/Notesnook.API/Controllers/UsersController.cs
index da50886..797c8d7 100644
--- a/Notesnook.API/Controllers/UsersController.cs
+++ b/Notesnook.API/Controllers/UsersController.cs
@@ -69,17 +69,11 @@ namespace Notesnook.API.Controllers
         }
 
         [HttpPatch]
-        public async Task<IActionResult> UpdateUser([FromBody] UserResponse user)
+        public async Task<IActionResult> UpdateUser([FromBody] UserKeys keys)
         {
             var userId = User.FindFirstValue("sub");
             try
             {
-                var keys = new UserKeys
-                {
-                    AttachmentsKey = user.AttachmentsKey,
-                    MonographPasswordsKey = user.MonographPasswordsKey,
-                    InboxKeys = user.InboxKeys
-                };
                 await UserService.SetUserKeysAsync(userId, keys);
                 return Ok();
             }
diff --git a/Notesnook.API/Models/UserKeys.cs b/Notesnook.API/Models/UserKeys.cs
index 62b5730..62d07c9 100644
--- a/Notesnook.API/Models/UserKeys.cs
+++ b/Notesnook.API/Models/UserKeys.cs
@@ -19,16 +19,16 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 namespace Notesnook.API.Models
 {
-  public class UserKeys
-  {
-    public EncryptedData AttachmentsKey { get; set; }
-    public EncryptedData MonographPasswordsKey { get; set; }
-    public InboxKeys InboxKeys { get; set; }
-  }
+    public class UserKeys
+    {
+        public EncryptedData? AttachmentsKey { get; set; }
+        public EncryptedData? MonographPasswordsKey { get; set; }
+        public InboxKeys? InboxKeys { get; set; }
+    }
 
-  public class InboxKeys
-  {
-    public string Public { get; set; }
-    public EncryptedData Private { get; set; }
-  }
+    public class InboxKeys
+    {
+        public string? Public { get; set; }
+        public EncryptedData? Private { get; set; }
+    }
 }