diff --git a/src/GUI/flowlayout.cpp b/src/GUI/flowlayout.cpp
index 8b645592..6463210a 100644
--- a/src/GUI/flowlayout.cpp
+++ b/src/GUI/flowlayout.cpp
@@ -1,4 +1,4 @@
-#include <QtWidgets>
+#include <QWidget>
 #include "flowlayout.h"
 
 struct FlowLayoutItem
diff --git a/src/map/osm.cpp b/src/map/osm.cpp
index 9d946fb8..ef5dbb2d 100644
--- a/src/map/osm.cpp
+++ b/src/map/osm.cpp
@@ -1,4 +1,5 @@
-#include <QtCore>
+#include <cmath>
+#include <QtMath>
 #include "common/wgs84.h"
 #include "osm.h"
 
diff --git a/src/map/wmsmap.cpp b/src/map/wmsmap.cpp
index 392b5a2a..8cdaf849 100644
--- a/src/map/wmsmap.cpp
+++ b/src/map/wmsmap.cpp
@@ -1,4 +1,4 @@
-#include <QtCore>
+#include <QtMath>
 #include <QDir>
 #include <QPainter>
 #include <QPixmapCache>
diff --git a/src/map/wmtsmap.cpp b/src/map/wmtsmap.cpp
index 180e104d..938428da 100644
--- a/src/map/wmtsmap.cpp
+++ b/src/map/wmtsmap.cpp
@@ -1,4 +1,4 @@
-#include <QtCore>
+#include <QtMath>
 #include <QPainter>
 #include <QDir>
 #include <QPixmapCache>