diff --git a/launcher/minecraft/auth/steps/XboxAuthorizationStep.cpp b/launcher/minecraft/auth/steps/XboxAuthorizationStep.cpp
index 9c8e94d1f..29c69f255 100644
--- a/launcher/minecraft/auth/steps/XboxAuthorizationStep.cpp
+++ b/launcher/minecraft/auth/steps/XboxAuthorizationStep.cpp
@@ -40,6 +40,7 @@ void XboxAuthorizationStep::perform()
     auto headers = QList<Net::HeaderPair>{
         { "Content-Type", "application/json" },
         { "Accept", "application/json" },
+        { "x-xbl-contract-version", "1" }
     };
     m_response.reset(new QByteArray());
     m_request = Net::Upload::makeByteArray(url, m_response.get(), xbox_auth_data.toUtf8());