diff --git a/oml/item/scan.py b/oml/item/scan.py
index 4869ac9..79c5ead 100644
--- a/oml/item/scan.py
+++ b/oml/item/scan.py
@@ -188,6 +188,8 @@ def run_scan():
                         file.item.added = file.item.accessed
                     file.item.save()
         library_items = len(user.library.items)
+    if state.shutdown:
+        return
     if added:
         trigger_event('change', {})
         logger.debug('imported %s unknown books', added)