diff --git a/electrum/gui/qt/channel_details.py b/electrum/gui/qt/channel_details.py
index c9c6fe200..90f306920 100644
--- a/electrum/gui/qt/channel_details.py
+++ b/electrum/gui/qt/channel_details.py
@@ -114,10 +114,8 @@ class ChannelDetailsDialog(QtWidgets.QDialog):
         self.update_sent_received()
 
     def update_sent_received(self):
-        self.sent_label.setText(str(htlcsum(
-            self.chan.total_msat(Direction.SENT))))
-        self.received_label.setText(str(htlcsum(
-            self.chan.total_msat(Direction.RECEIVED))))
+        self.sent_label.setText(str(self.chan.total_msat(Direction.SENT)))
+        self.received_label.setText(str(self.chan.total_msat(Direction.RECEIVED)))
 
     @QtCore.pyqtSlot(str)
     def show_tx(self, link_text: str):