1 files changed, 1 insertions, 1 deletions
diff --git a/src/qt/qvaluecombobox.h b/src/qt/qvaluecombobox.h
index f266302310..8892071fba 100644
--- a/src/qt/qvaluecombobox.h
+++ b/src/qt/qvaluecombobox.h
@@ -16,7 +16,7 @@ class QValueComboBox : public QComboBox
     Q_PROPERTY(QVariant value READ value WRITE setValue NOTIFY valueChanged USER true)
 
 public:
-    explicit QValueComboBox(QWidget *parent = 0);
+    explicit QValueComboBox(QWidget *parent = nullptr);
 
     QVariant value() const;
     void setValue(const QVariant &value);