Index: 3rdparty/likebackfrontend/LikeBackDialog.cpp
--- 3rdparty/likebackfrontend/LikeBackDialog.cpp.orig
+++ 3rdparty/likebackfrontend/LikeBackDialog.cpp
@@ -37,6 +37,7 @@
 #include "LikeBackDialog.h"
 
 #include <QApplication>
+#include <QButtonGroup>
 #include <QLocale>
 #include <QMessageBox>
 #include <QNetworkAccessManager>
