diff --git a/kdb-bot/src/bot_api/service/auth_service.py b/kdb-bot/src/bot_api/service/auth_service.py
index bf5d9f86c1..ba45a15531 100644
--- a/kdb-bot/src/bot_api/service/auth_service.py
+++ b/kdb-bot/src/bot_api/service/auth_service.py
@@ -396,7 +396,7 @@ class AuthService(AuthServiceABC):
             user.email = update_user_dto.new_auth_user.email
 
         # update password
-        if update_user_dto.change_password and user.password != self._hash_sha256(update_user_dto.new_auth_user.password, user.password_salt):
+        if update_user_dto.new_auth_user.password is not None and update_user_dto.change_password and user.password != self._hash_sha256(update_user_dto.new_auth_user.password, user.password_salt):
             user.password_salt = uuid.uuid4()
             user.password = self._hash_sha256(update_user_dto.new_auth_user.password, user.password_salt)