diff --git a/electrum/gui/qt/channel_details.py b/electrum/gui/qt/channel_details.py
index ad2b2e277296..2d440fae3e2f 100644
--- a/electrum/gui/qt/channel_details.py
+++ b/electrum/gui/qt/channel_details.py
@@ -83,8 +83,8 @@ def move(self, fro: str, to: str, payment_hash: bytes):
         dest_mapping = self.keyname_rows[to]
         dest_mapping[payment_hash] = len(dest_mapping)
 
-    htlc_fulfilled = QtCore.pyqtSignal(str, bytes, bytes)
-    htlc_failed = QtCore.pyqtSignal(str, bytes, bytes)
+    htlc_fulfilled = QtCore.pyqtSignal(str, bytes, Channel, int)
+    htlc_failed = QtCore.pyqtSignal(str, bytes, Channel, int)
     htlc_added = QtCore.pyqtSignal(str, Channel, UpdateAddHtlc, Direction)
     state_changed = QtCore.pyqtSignal(str, Abstract_Wallet, AbstractChannel)
 
@@ -103,16 +103,16 @@ def on_htlc_added(self, evtname, chan, htlc, direction):
         mapping[htlc.payment_hash] = len(mapping)
         self.folders['inflight'].appendRow(self.make_htlc_item(htlc, direction))
 
-    @QtCore.pyqtSlot(str, bytes, bytes)
-    def on_htlc_fulfilled(self, evtname, payment_hash, chan_id):
-        if chan_id != self.chan.channel_id:
+    @QtCore.pyqtSlot(str, bytes, Channel, int)
+    def on_htlc_fulfilled(self, evtname, payment_hash, chan, htlc_id):
+        if chan.channel_id != self.chan.channel_id:
             return
         self.move('inflight', 'settled', payment_hash)
         self.update()
 
-    @QtCore.pyqtSlot(str, bytes, bytes)
-    def on_htlc_failed(self, evtname, payment_hash, chan_id):
-        if chan_id != self.chan.channel_id:
+    @QtCore.pyqtSlot(str, bytes, Channel, int)
+    def on_htlc_failed(self, evtname, payment_hash, chan, htlc_id):
+        if chan.channel_id != self.chan.channel_id:
             return
         self.move('inflight', 'failed', payment_hash)
         self.update()
diff --git a/electrum/lnworker.py b/electrum/lnworker.py
index 601261538089..6b1bde00d909 100644
--- a/electrum/lnworker.py
+++ b/electrum/lnworker.py
@@ -1847,8 +1847,8 @@ def set_payment_status(self, payment_hash: bytes, status: int) -> None:
         info = info._replace(status=status)
         self.save_payment_info(info)
 
-    def htlc_fulfilled(self, chan, payment_hash: bytes, htlc_id:int):
-        util.trigger_callback('htlc_fulfilled', payment_hash, chan.channel_id)
+    def htlc_fulfilled(self, chan: Channel, payment_hash: bytes, htlc_id: int):
+        util.trigger_callback('htlc_fulfilled', payment_hash, chan, htlc_id)
         q = self.sent_htlcs.get(payment_hash)
         if q:
             route, payment_secret, amount_msat, bucket_msat, amount_receiver_msat = self.sent_htlcs_routes[(payment_hash, chan.short_channel_id, htlc_id)]
@@ -1870,7 +1870,7 @@ def htlc_failed(
             error_bytes: Optional[bytes],
             failure_message: Optional['OnionRoutingFailure']):
 
-        util.trigger_callback('htlc_failed', payment_hash, chan.channel_id)
+        util.trigger_callback('htlc_failed', payment_hash, chan, htlc_id)
         q = self.sent_htlcs.get(payment_hash)
         if q:
             # detect if it is part of a bucket