diff --git a/src/super_archives/management/commands/import_emails.py b/src/super_archives/management/commands/import_emails.py
index 654798f..cedf02a 100644
--- a/src/super_archives/management/commands/import_emails.py
+++ b/src/super_archives/management/commands/import_emails.py
@@ -207,6 +207,7 @@ class Command(BaseCommand, object):
         )
         email.thread = self.get_thread(email, mailinglist)
         email.save()
+        email.update_blocks()
 
     @transaction.commit_manually
     def import_emails(self, archives_path, all, exclude_lists=None):
--
libgit2 0.21.2