diff --git a/electrum/gui/qt/console.py b/electrum/gui/qt/console.py
index 3ef064f02..5ae9fc586 100644
--- a/electrum/gui/qt/console.py
+++ b/electrum/gui/qt/console.py
@@ -58,7 +58,7 @@ class Console(QtWidgets.QPlainTextEdit):
         self.setGeometry(50, 75, 600, 400)
         self.setWordWrapMode(QtGui.QTextOption.WrapAnywhere)
         self.setUndoRedoEnabled(False)
-        self.document().setDefaultFont(QtGui.QFont(MONOSPACE_FONT, 10, QtGui.QFont.Normal))
+        self.setFont(QtGui.QFont(MONOSPACE_FONT, 10, QtGui.QFont.Normal))
         self.newPrompt("")  # make sure there is always a prompt, even before first server.banner
 
         self.updateNamespace({'run':self.run_script})