1 files changed, 5 insertions, 2 deletions
diff --git a/src/qt/optionsdialog.h b/src/qt/optionsdialog.h
index 6b62069660..2abd92cae5 100644
--- a/src/qt/optionsdialog.h
+++ b/src/qt/optionsdialog.h
@@ -7,10 +7,13 @@
 
 #include <QDialog>
 
-class MonitoredDataMapper;
 class OptionsModel;
 class QValidatedLineEdit;
 
+QT_BEGIN_NAMESPACE
+class QDataWidgetMapper;
+QT_END_NAMESPACE
+
 namespace Ui {
 class OptionsDialog;
 }
@@ -52,7 +55,7 @@ signals:
 private:
     Ui::OptionsDialog *ui;
     OptionsModel *model;
-    MonitoredDataMapper *mapper;
+    QDataWidgetMapper *mapper;
     bool fProxyIpValid;
 };