diff --git a/qt/aqt/addons.py b/qt/aqt/addons.py
index 1a90c8c1f..6d2dbb75c 100644
--- a/qt/aqt/addons.py
+++ b/qt/aqt/addons.py
@@ -1543,7 +1543,9 @@ class ConfigEditor(QDialog):
         tooltip(tr.addons_restored_defaults(), parent=self)
 
     def setupFonts(self) -> None:
-        font_mono = QFontDatabase.systemFont(QFontDatabase.SystemFont.FixedFont)
+        font_mono = QFont("Consolas")
+        if not font_mono.exactMatch():
+            font_mono = QFontDatabase.systemFont(QFontDatabase.SystemFont.FixedFont)
         font_mono.setPointSize(font_mono.pointSize() + 1)
         self.form.editor.setFont(font_mono)
 
diff --git a/qt/aqt/clayout.py b/qt/aqt/clayout.py
index 7204c2528..598269936 100644
--- a/qt/aqt/clayout.py
+++ b/qt/aqt/clayout.py
@@ -267,7 +267,10 @@ class CardLayout(QDialog):
 
         self.current_editor_index = 0
         editor.setAcceptRichText(False)
-        editor.setFont(QFont("Courier"))
+        font = QFont("Consolas")
+        if not font.exactMatch():
+            font = QFontDatabase.systemFont(QFontDatabase.SystemFont.FixedFont)
+        editor.setFont(font)
         tab_width = self.fontMetrics().horizontalAdvance(" " * 4)
         editor.setTabStopDistance(tab_width)