diff --git a/include/launchercore.h b/include/launchercore.h
index 57b50b6..1bfb8ba 100755
--- a/include/launchercore.h
+++ b/include/launchercore.h
@@ -116,7 +116,7 @@ public:
      */
     void launchExecutable(const ProfileSettings& settings, QProcess* process, QStringList args);
 
-    void buildRequest(QNetworkRequest& request);
+    void buildRequest(const ProfileSettings& settings, QNetworkRequest& request);
     void setSSL(QNetworkRequest& request);
     QString readVersion(QString path);
     void readInitialInformation();
diff --git a/src/headline.cpp b/src/headline.cpp
index 93de3a9..59c5bc7 100644
--- a/src/headline.cpp
+++ b/src/headline.cpp
@@ -23,7 +23,8 @@ void getHeadline(LauncherCore& core, std::function<void(Headline)> return_func)
 
     auto request = QNetworkRequest(QString("%1&%2").arg(url.toString(), QString::number(QDateTime::currentMSecsSinceEpoch())));
 
-    core.buildRequest(request);
+    // TODO: really?
+    core.buildRequest(core.getProfile(core.defaultProfileIndex), request);
 
     qInfo() << request.url();
     request.setRawHeader("Accept", "application/json, text/plain, */*");
diff --git a/src/launchercore.cpp b/src/launchercore.cpp
index 12670c6..b2ae293 100755
--- a/src/launchercore.cpp
+++ b/src/launchercore.cpp
@@ -48,17 +48,22 @@ void LauncherCore::setSSL(QNetworkRequest& request) {
     request.setSslConfiguration(config);
 }
 
-void LauncherCore::buildRequest(QNetworkRequest& request) {
+void LauncherCore::buildRequest(const ProfileSettings& settings, QNetworkRequest& request) {
     setSSL(request);
-    request.setHeader(QNetworkRequest::UserAgentHeader,
-                      QString("SQEXAuthor/2.0.0(Windows 6.2; ja-jp; %1)").arg(QString(QSysInfo::bootUniqueId())));
+
+    if(settings.license == GameLicense::macOS) {
+        request.setHeader(QNetworkRequest::UserAgentHeader, "macSQEXAuthor/2.0.0(MacOSX; ja-jp)");
+    } else {
+        request.setHeader(QNetworkRequest::UserAgentHeader,
+                          QString("SQEXAuthor/2.0.0(Windows 6.2; ja-jp; %1)").arg(QString(QSysInfo::bootUniqueId())));
+    }
+
     request.setRawHeader("Accept",
                          "image/gif, image/jpeg, image/pjpeg, application/x-ms-application, application/xaml+xml, application/x-ms-xbap, */*");
     request.setRawHeader("Accept-Encoding", "gzip, deflate");
     request.setRawHeader("Accept-Language", "en-us");
 }
 
-
 void LauncherCore::launchGame(const ProfileSettings& profile, const LoginAuth auth) {
     QList<QString> arguments;
 
diff --git a/src/launcherwindow.cpp b/src/launcherwindow.cpp
index 9f161ad..f6725ef 100644
--- a/src/launcherwindow.cpp
+++ b/src/launcherwindow.cpp
@@ -212,7 +212,7 @@ LauncherWindow::LauncherWindow(LauncherCore& core, QWidget* parent) : QMainWindo
 
         if(!headline.banner.empty()) {
             auto request = QNetworkRequest(headline.banner[0].bannerImage);
-            core.buildRequest(request);
+            core.buildRequest(currentProfile(), request);
 
             auto reply = core.mgr->get(request);
             connect(reply, &QNetworkReply::finished, [=] {
diff --git a/src/squareboot.cpp b/src/squareboot.cpp
index f9a041f..551d669 100644
--- a/src/squareboot.cpp
+++ b/src/squareboot.cpp
@@ -22,7 +22,12 @@ void SquareBoot::bootCheck(LoginInformation& info) {
     url.setQuery(query);
 
     auto request = QNetworkRequest(url);
-    request.setRawHeader("User-Agent", "FFXIV PATCH CLIENT");
+    if(info.settings->license == GameLicense::macOS) {
+        request.setRawHeader("User-Agent", "FFXIV-MAC PATCH CLIENT");
+    } else {
+        request.setRawHeader("User-Agent", "FFXIV PATCH CLIENT");
+    }
+
     request.setRawHeader("Host", "patch-bootver.ffxiv.com");
 
     auto reply = window.mgr->get(request);
diff --git a/src/squarelauncher.cpp b/src/squarelauncher.cpp
index 5ec3951..f5a9e2d 100644
--- a/src/squarelauncher.cpp
+++ b/src/squarelauncher.cpp
@@ -54,7 +54,7 @@ void SquareLauncher::getStored(const LoginInformation& info) {
     url.setQuery(query);
 
     auto request = QNetworkRequest(url);
-    window.buildRequest(request);
+    window.buildRequest(*info.settings, request);
 
     QNetworkReply* reply = window.mgr->get(request);
 
@@ -96,7 +96,7 @@ void SquareLauncher::login(const LoginInformation& info, const QUrl referer) {
     postData.addQueryItem("otppw", info.oneTimePassword);
 
     QNetworkRequest request(QUrl("https://ffxiv-login.square-enix.com/oauth/ffxivarr/login/login.send"));
-    window.buildRequest(request);
+    window.buildRequest(*info.settings, request);
     request.setHeader(QNetworkRequest::ContentTypeHeader,"application/x-www-form-urlencoded");
     request.setRawHeader("Referer", referer.toEncoded());
     request.setRawHeader("Cache-Control", "no-cache");
@@ -229,7 +229,9 @@ void SquareLauncher::gateOpen() {
 
     QNetworkRequest request;
     request.setUrl(url);
-    window.buildRequest(request);
+
+    // TODO: really?
+    window.buildRequest(window.getProfile(window.defaultProfileIndex), request);
 
     auto reply = window.mgr->get(request);
     connect(reply, &QNetworkReply::finished, [this, reply] {