diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 61e48b19e..cc367bcd1 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -40,6 +40,7 @@
 #include <QMessageBox>
 #include <QMimeData>
 #include <QProcess>
+#include <QPushButton>
 #include <QScrollBar>
 #include <QShortcut>
 #include <QSplitter>