diff --git a/electrum/gui/qml/qetxdetails.py b/electrum/gui/qml/qetxdetails.py
index 914ae96eb..372d75823 100644
--- a/electrum/gui/qml/qetxdetails.py
+++ b/electrum/gui/qml/qetxdetails.py
@@ -372,7 +372,10 @@ class QETxDetails(QObject, QtEventListener):
         if txid != self._txid:
             return
 
-        self._wallet.broadcastFailed.disconnect(self.onBroadcastFailed)
+        try:
+            self._wallet.broadcastFailed.disconnect(self.onBroadcastFailed)
+        except Exception:
+            pass
 
         self._can_broadcast = True
         self.detailsChanged.emit()