diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index fc48434741..02f0037d59 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -861,6 +861,12 @@ class Main(MainWindow, MainWindowMixin, DeviceMixin, EmailMixin,  # {{{
 
             if not question_dialog(self, _('Active jobs'), msg):
                 return False
+
+        if self.proceed_question.questions:
+            msg = _('There are library updates waiting. Are you sure you want to quit?')
+            if not question_dialog(self, _('Library Updates Waiting'), msg):
+                return False
+
         from calibre.db.delete_service import has_jobs
         if has_jobs():
             msg = _('Some deleted books are still being moved to the Recycle '