diff --git a/dao/src/main/java/org/thingsboard/server/dao/user/UserServiceImpl.java b/dao/src/main/java/org/thingsboard/server/dao/user/UserServiceImpl.java
index 914ba5d3ec..f07e939cda 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/user/UserServiceImpl.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/user/UserServiceImpl.java
@@ -114,7 +114,7 @@ public class UserServiceImpl extends AbstractEntityService implements UserServic
     public User saveUser(User user) {
         log.trace("Executing saveUser [{}]", user);
         userValidator.validate(user, User::getTenantId);
-        if (user.getId() == null && !userLoginCaseSensitive) {
+        if (!userLoginCaseSensitive) {
             user.setEmail(user.getEmail().toLowerCase());
         }
         User savedUser = userDao.save(user.getTenantId(), user);