diff --git a/electrum/gui/qml/components/BalanceDetails.qml b/electrum/gui/qml/components/BalanceDetails.qml
index 4edebbba4..de141d9c6 100644
--- a/electrum/gui/qml/components/BalanceDetails.qml
+++ b/electrum/gui/qml/components/BalanceDetails.qml
@@ -214,7 +214,7 @@ Pane {
                 Layout.preferredWidth: 1
                 text: qsTr('Lightning swap');
                 visible: Daemon.currentWallet.isLightning
-                enabled: Daemon.currentWallet.lightningCanSend.satsInt > 0 || Daemon.currentWallet.lightningCanReceive.satInt > 0
+                enabled: Daemon.currentWallet.lightningCanSend.satsInt > 0 || Daemon.currentWallet.lightningCanReceive.satsInt > 0
                 icon.source: Qt.resolvedUrl('../../icons/update.png')
                 onClicked: app.startSwap()
             }
diff --git a/electrum/gui/qml/qewallet.py b/electrum/gui/qml/qewallet.py
index 4c4240c3f..373d5dd67 100644
--- a/electrum/gui/qml/qewallet.py
+++ b/electrum/gui/qml/qewallet.py
@@ -242,6 +242,13 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
             self.balanceChanged.emit()
             self.peersUpdated.emit()
 
+    @event_listener
+    def on_event_blockchain_updated(self):
+        # Emit balanceChanged when new block arrives because:
+        # 1. Coinbase outputs might have matured (COINBASE_MATURITY = 120 blocks)
+        # 2. Transaction confirmations increased
+        self.balanceChanged.emit()
+
     @qt_event_listener
     def on_event_payment_succeeded(self, wallet, key):
         if wallet == self.wallet: