diff --git a/telegrambots-abilities/src/main/java/org/telegram/abilitybots/api/objects/EndUser.java b/telegrambots-abilities/src/main/java/org/telegram/abilitybots/api/objects/EndUser.java
index 0c123434..0ea7919d 100644
--- a/telegrambots-abilities/src/main/java/org/telegram/abilitybots/api/objects/EndUser.java
+++ b/telegrambots-abilities/src/main/java/org/telegram/abilitybots/api/objects/EndUser.java
@@ -1,7 +1,6 @@
 package org.telegram.abilitybots.api.objects;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Strings;
@@ -30,7 +29,7 @@ public final class EndUser implements Serializable {
   private final String lastName;
   @JsonProperty("username")
   private final String username;
-  @JsonIgnore
+  @JsonProperty("locale")
   private Locale locale;
 
   private EndUser(Integer id, String firstName, String lastName, String username, Locale locale) {
@@ -45,8 +44,9 @@ public final class EndUser implements Serializable {
   public static EndUser endUser(@JsonProperty("id") Integer id,
                                 @JsonProperty("firstName") String firstName,
                                 @JsonProperty("lastName") String lastName,
-                                @JsonProperty("username") String username) {
-    return new EndUser(id, firstName, lastName, username, null);
+                                @JsonProperty("username") String username,
+                                @JsonProperty("locale") Locale locale) {
+    return new EndUser(id, firstName, lastName, username, locale);
   }
 
   /**
diff --git a/telegrambots-abilities/src/test/java/org/telegram/abilitybots/api/bot/AbilityBotTest.java b/telegrambots-abilities/src/test/java/org/telegram/abilitybots/api/bot/AbilityBotTest.java
index 8727e86f..b66f28ef 100644
--- a/telegrambots-abilities/src/test/java/org/telegram/abilitybots/api/bot/AbilityBotTest.java
+++ b/telegrambots-abilities/src/test/java/org/telegram/abilitybots/api/bot/AbilityBotTest.java
@@ -53,8 +53,8 @@ public class AbilityBotTest {
   private static final long GROUP_ID = 10L;
   private static final String TEST = "test";
   private static final String[] TEXT = {TEST};
-  public static final EndUser MUSER = endUser(1, "first", "last", "username");
-  public static final EndUser CREATOR = endUser(1337, "creatorFirst", "creatorLast", "creatorUsername");
+  public static final EndUser MUSER = endUser(1, "first", "last", "username", null);
+  public static final EndUser CREATOR = endUser(1337, "creatorFirst", "creatorLast", "creatorUsername", null);
 
   private DefaultBot bot;
   private DBContext db;
@@ -293,7 +293,7 @@ public class AbilityBotTest {
     String newFirstName = MUSER.firstName() + "-test";
     String newLastName = MUSER.lastName() + "-test";
     int sameId = MUSER.id();
-    EndUser changedUser = endUser(sameId, newFirstName, newLastName, newUsername);
+    EndUser changedUser = endUser(sameId, newFirstName, newLastName, newUsername, null);
 
     mockAlternateUser(update, message, user, changedUser);