diff --git a/python/web/library/models.py b/python/web/library/models.py
index 8f2857e..8752a4e 100644
--- a/python/web/library/models.py
+++ b/python/web/library/models.py
@@ -1,6 +1,6 @@
 from django.db import models
 
-book_fields = {'isbn' : 'ISBN', 'id' : 'Identifier', 'title' : 'Title',
+book_fields = {'isbn' : 'ISBN', 'id.id' : 'Identifier', 'title' : 'Title',
 'subtitle' : 'Subtitle', 'category' : 'Category', 'publisher':'Publisher',
 'published_year':'Published year', 'edition' : 'Edition', 'num_pages' : 'Number of pages',
 'series' : 'Series', 'description' : 'Description'}
@@ -42,6 +42,8 @@ class Book(models.Model):
 				print '%-15s: %50s' % (field[1],eval('self.'+field[0]))
 			except Category.DoesNotExist:
 				print '%-15s: %50s' % (field[1], 'Does not exist')
+			except Id.DoesNotExist:
+				print '%-15s: %50s' % (field[1], '')
 
 	def getid(self):
 		try: