diff --git a/src/qt/overviewpage.h b/src/qt/overviewpage.h
--- a/src/qt/overviewpage.h
+++ b/src/qt/overviewpage.h
@@ -38,11 +38,10 @@
     void showOutOfSyncWarning(bool fShow);
 
 public Q_SLOTS:
-    void setBalance(const CAmount &balance, const CAmount &unconfirmedBalance,
-                    const CAmount &immatureBalance,
-                    const CAmount &watchOnlyBalance,
-                    const CAmount &watchUnconfBalance,
-                    const CAmount &watchImmatureBalance);
+    void setBalance(const Amount balance, const Amount unconfirmedBalance,
+                    const Amount immatureBalance, const Amount watchOnlyBalance,
+                    const Amount watchUnconfBalance,
+                    const Amount watchImmatureBalance);
 
 Q_SIGNALS:
     void transactionClicked(const QModelIndex &index);
@@ -52,12 +51,12 @@
     Ui::OverviewPage *ui;
     ClientModel *clientModel;
     WalletModel *walletModel;
-    CAmount currentBalance;
-    CAmount currentUnconfirmedBalance;
-    CAmount currentImmatureBalance;
-    CAmount currentWatchOnlyBalance;
-    CAmount currentWatchUnconfBalance;
-    CAmount currentWatchImmatureBalance;
+    Amount currentBalance;
+    Amount currentUnconfirmedBalance;
+    Amount currentImmatureBalance;
+    Amount currentWatchOnlyBalance;
+    Amount currentWatchUnconfBalance;
+    Amount currentWatchImmatureBalance;
 
     TxViewDelegate *txdelegate;
     std::unique_ptr<TransactionFilterProxy> filter;
diff --git a/src/qt/overviewpage.cpp b/src/qt/overviewpage.cpp
--- a/src/qt/overviewpage.cpp
+++ b/src/qt/overviewpage.cpp
@@ -158,12 +158,12 @@
     delete ui;
 }
 
-void OverviewPage::setBalance(const CAmount &balance,
-                              const CAmount &unconfirmedBalance,
-                              const CAmount &immatureBalance,
-                              const CAmount &watchOnlyBalance,
-                              const CAmount &watchUnconfBalance,
-                              const CAmount &watchImmatureBalance) {
+void OverviewPage::setBalance(const Amount balance,
+                              const Amount unconfirmedBalance,
+                              const Amount immatureBalance,
+                              const Amount watchOnlyBalance,
+                              const Amount watchUnconfBalance,
+                              const Amount watchImmatureBalance) {
     int unit = walletModel->getOptionsModel()->getDisplayUnit();
     currentBalance = balance;
     currentUnconfirmedBalance = unconfirmedBalance;
@@ -251,10 +251,10 @@
                    model->getImmatureBalance(), model->getWatchBalance(),
                    model->getWatchUnconfirmedBalance(),
                    model->getWatchImmatureBalance());
-        connect(model, SIGNAL(balanceChanged(CAmount, CAmount, CAmount, CAmount,
-                                             CAmount, CAmount)),
-                this, SLOT(setBalance(CAmount, CAmount, CAmount, CAmount,
-                                      CAmount, CAmount)));
+        connect(model, SIGNAL(balanceChanged(Amount, Amount, Amount, Amount,
+                                             Amount, Amount)),
+                this, SLOT(setBalance(Amount, Amount, Amount, Amount, Amount,
+                                      Amount)));
 
         connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this,
                 SLOT(updateDisplayUnit()));