diff --git a/src/frontend/qt_sdl/Screen.cpp b/src/frontend/qt_sdl/Screen.cpp
index 6de4d78e..61b6891d 100644
--- a/src/frontend/qt_sdl/Screen.cpp
+++ b/src/frontend/qt_sdl/Screen.cpp
@@ -25,9 +25,11 @@
 #include <vector>
 #include <string>
 #include <algorithm>
+#include <cmath>
 
 #include <QPaintEvent>
 #include <QPainter>
+#include <QDebug>
 #ifndef _WIN32
 #ifndef APPLE
 #include <qpa/qplatformnativeinterface.h>