diff --git a/raven/mainwindow.py b/raven/mainwindow.py
index eec12ff..764c4d3 100644
--- a/raven/mainwindow.py
+++ b/raven/mainwindow.py
@@ -82,6 +82,8 @@ class MainWindow(QMainWindow):
         for (menu_id, menu_label) in known_menus:
             menu = QMenu(menu_label, self)
             mcs: [MenuContribution] = [mc for mc in menu_contributions if mc.menu_id == menu_id]
+            if len(mcs) == 0:
+                continue
             for menu_contribution in mcs:
                 print("%s %s" % (menu_id, menu_contribution.action_id))
                 if menu_contribution.action: