diff --git a/src/qt/qvaluecombobox.cpp b/src/qt/qvaluecombobox.cpp
index 1e8d63634c..581a506540 100644
--- a/src/qt/qvaluecombobox.cpp
+++ b/src/qt/qvaluecombobox.cpp
@@ -1,27 +1,29 @@
 // Copyright (c) 2011-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <qt/qvaluecombobox.h>
 
 QValueComboBox::QValueComboBox(QWidget *parent)
     : QComboBox(parent), role(Qt::UserRole) {
-    connect(this, SIGNAL(currentIndexChanged(int)), this,
-            SLOT(handleSelectionChanged(int)));
+    connect(
+        this,
+        static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+        this, &QValueComboBox::handleSelectionChanged);
 }
 
 QVariant QValueComboBox::value() const {
     return itemData(currentIndex(), role);
 }
 
 void QValueComboBox::setValue(const QVariant &value) {
     setCurrentIndex(findData(value, role));
 }
 
 void QValueComboBox::setRole(int _role) {
     this->role = _role;
 }
 
 void QValueComboBox::handleSelectionChanged(int idx) {
     Q_EMIT valueChanged();
 }