1 files changed, 3 insertions, 3 deletions
diff --git a/src/qt/coincontroldialog.h b/src/qt/coincontroldialog.h
index 99a9f893ff..4949c91771 100644
--- a/src/qt/coincontroldialog.h
+++ b/src/qt/coincontroldialog.h
@@ -30,9 +30,9 @@ namespace Ui {
 class CCoinControlWidgetItem : public QTreeWidgetItem
 {
 public:
-    CCoinControlWidgetItem(QTreeWidget *parent, int type = Type) : QTreeWidgetItem(parent, type) {}
-    CCoinControlWidgetItem(int type = Type) : QTreeWidgetItem(type) {}
-    CCoinControlWidgetItem(QTreeWidgetItem *parent, int type = Type) : QTreeWidgetItem(parent, type) {}
+    explicit CCoinControlWidgetItem(QTreeWidget *parent, int type = Type) : QTreeWidgetItem(parent, type) {}
+    explicit CCoinControlWidgetItem(int type = Type) : QTreeWidgetItem(type) {}
+    explicit CCoinControlWidgetItem(QTreeWidgetItem *parent, int type = Type) : QTreeWidgetItem(parent, type) {}
 
     bool operator<(const QTreeWidgetItem &other) const;
 };