diff --git a/src/calibre/library/cli.py b/src/calibre/library/cli.py
index 359f5876fd..f062aecc26 100644
--- a/src/calibre/library/cli.py
+++ b/src/calibre/library/cli.py
@@ -20,7 +20,8 @@ from calibre.utils.date import isoformat
 
 FIELDS = set(['title', 'authors', 'author_sort', 'publisher', 'rating',
     'timestamp', 'size', 'tags', 'comments', 'series', 'series_index',
-    'formats', 'isbn', 'uuid', 'pubdate', 'cover', 'last_modified'])
+    'formats', 'isbn', 'uuid', 'pubdate', 'cover', 'last_modified',
+    'identifiers'])
 
 def send_message(msg=''):
     prints('Notifying calibre of the change')
diff --git a/src/calibre/library/database2.py b/src/calibre/library/database2.py
index 8c509e7ceb..20eb796e3a 100644
--- a/src/calibre/library/database2.py
+++ b/src/calibre/library/database2.py
@@ -2891,6 +2891,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
             x['formats'] = []
             isbn = self.isbn(db_id, index_is_id=True)
             x['isbn'] = isbn if isbn else ''
+            x['identifiers'] = self.get_identifiers(db_id, index_is_id=True)
             if not x['authors']:
                 x['authors'] = _('Unknown')
             x['authors'] = [i.replace('|', ',') for i in x['authors'].split(',')]