diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
index 9e770c8e..22f97194 100644
--- a/gui/qt/main_window.py
+++ b/gui/qt/main_window.py
@@ -1243,6 +1243,7 @@ class ElectrumWindow(QMainWindow):
                 self.message_e.setText(message)
             if amount:
                 self.amount_e.setAmount(amount)
+                self.amount_e.textEdited.emit("")
             return
 
         from electrum import paymentrequest