diff --git a/dao/src/main/java/org/thingsboard/server/dao/service/DataValidator.java b/dao/src/main/java/org/thingsboard/server/dao/service/DataValidator.java
index 7f04ddf2aa..b6cca853bb 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/service/DataValidator.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/service/DataValidator.java
@@ -64,7 +64,7 @@ public abstract class DataValidator<D extends BaseData<?>> {
         return actualData.getId() != null && existentData.getId().equals(actualData.getId());
     }
 
-    protected static void validateEmail(String email) {
+    public static void validateEmail(String email) {
         if (!doValidateEmail(email)) {
             throw new DataValidationException("Invalid email address format '" + email + "'!");
         }