diff --git a/judge/migrations/0111_blank_assignees_ticket.py b/judge/migrations/0111_blank_assignees_ticket.py
new file mode 100644
index 0000000000..028f5d9e88
--- /dev/null
+++ b/judge/migrations/0111_blank_assignees_ticket.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.2.15 on 2020-09-13 16:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('judge', '0110_default_output_prefix_override'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='ticket',
+            name='assignees',
+            field=models.ManyToManyField(blank=True, related_name='assigned_tickets', to='judge.Profile', verbose_name='assignees'),
+        ),
+    ]
diff --git a/judge/models/ticket.py b/judge/models/ticket.py
index 9b3fc54ec6..a1e66c2957 100644
--- a/judge/models/ticket.py
+++ b/judge/models/ticket.py
@@ -11,7 +11,8 @@ class Ticket(models.Model):
     user = models.ForeignKey(Profile, verbose_name=_('ticket creator'), related_name='tickets',
                              on_delete=models.CASCADE)
     time = models.DateTimeField(verbose_name=_('creation time'), auto_now_add=True)
-    assignees = models.ManyToManyField(Profile, verbose_name=_('assignees'), related_name='assigned_tickets')
+    assignees = models.ManyToManyField(Profile, verbose_name=_('assignees'), related_name='assigned_tickets',
+                                       blank=True)
     notes = models.TextField(verbose_name=_('quick notes'), blank=True,
                              help_text=_('Staff notes for this issue to aid in processing.'))
     content_type = models.ForeignKey(ContentType, verbose_name=_('linked item type'),