diff --git a/src/map/mapsforge/style.cpp b/src/map/mapsforge/style.cpp
index 2485ae04..47f34faa 100644
--- a/src/map/mapsforge/style.cpp
+++ b/src/map/mapsforge/style.cpp
@@ -4,6 +4,7 @@
 #include <QFileInfo>
 #include <QImageReader>
 #include <QPainter>
+#include <QtMath>
 #include "common/programpaths.h"
 #include "style.h"