diff --git a/src/map/textpointitem.cpp b/src/map/textpointitem.cpp
index 9e7d2d2e..3a896896 100644
--- a/src/map/textpointitem.cpp
+++ b/src/map/textpointitem.cpp
@@ -1,3 +1,4 @@
+#include <cmath>
 #include <QFont>
 #include <QFontMetrics>
 #include <QImage>