diff --git a/app/widget/curvewidget/curveview.cpp b/app/widget/curvewidget/curveview.cpp
index c57072e88..e8b6884ef 100644
--- a/app/widget/curvewidget/curveview.cpp
+++ b/app/widget/curvewidget/curveview.cpp
@@ -23,6 +23,7 @@
 #include <QScrollBar>
 #include <QMouseEvent>
 #include <QtMath>
+#include <cfloat>
 
 #include "common/qtutils.h"