diff --git a/oml/library.py b/oml/library.py
index 11f9103..274f00c 100644
--- a/oml/library.py
+++ b/oml/library.py
@@ -327,6 +327,8 @@ class Peer(object):
                 if state.shutdown:
                     break
         state.db.session.commit()
+        if update_items:
+            logger.debug('updated %s items', len(update_items))
         ids = set(self.library.keys())
         changed = False
         for name, l in self.info.get('lists', {}).items():