diff --git a/launcher/src/main/java/com/skcraft/launcher/auth/microsoft/model/XstsError.java b/launcher/src/main/java/com/skcraft/launcher/auth/microsoft/model/XstsError.java
index e008803..d279d42 100644
--- a/launcher/src/main/java/com/skcraft/launcher/auth/microsoft/model/XstsError.java
+++ b/launcher/src/main/java/com/skcraft/launcher/auth/microsoft/model/XstsError.java
@@ -1,6 +1,7 @@
 package com.skcraft.launcher.auth.microsoft.model;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.PropertyNamingStrategy;
 import com.fasterxml.jackson.databind.annotation.JsonNaming;
 import lombok.Data;
@@ -9,6 +10,7 @@ import lombok.Data;
 @JsonNaming(PropertyNamingStrategy.PascalCaseStrategy.class)
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class XstsError {
+	@JsonProperty("XErr")
 	private long xErr;
 	private String message;
 	private String redirect;