diff --git a/ietf/person/migrations/0013_auto_20200711_1036.py b/ietf/person/migrations/0013_auto_20200711_1036.py
index 62e12c7eb..df031f6da 100644
--- a/ietf/person/migrations/0013_auto_20200711_1036.py
+++ b/ietf/person/migrations/0013_auto_20200711_1036.py
@@ -1,4 +1,4 @@
-# Generated by Django 2.2.14 on 2020-07-11 10:36
+# Generated by Django 2.2.14 on 2020-07-11 13:28
 
 from django.db import migrations, models
 
@@ -13,12 +13,12 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='historicalperson',
             name='plain',
-            field=models.CharField(default='', help_text='Preferred plain form of name, if different from the automatic plain form.', max_length=64, verbose_name='Plain Name (Unicode)'),
+            field=models.CharField(blank=True, default='', help_text='Preferred plain form of name, if different from the automatic plain form.', max_length=64, verbose_name='Plain Name (Unicode)'),
         ),
         migrations.AddField(
             model_name='person',
             name='plain',
-            field=models.CharField(default='', help_text='Preferred plain form of name, if different from the automatic plain form.', max_length=64, verbose_name='Plain Name (Unicode)'),
+            field=models.CharField(blank=True, default='', help_text='Preferred plain form of name, if different from the automatic plain form.', max_length=64, verbose_name='Plain Name (Unicode)'),
         ),
         migrations.AlterField(
             model_name='historicalperson',