diff --git a/fedireads/migrations/0012_auto_20200308_1625.py b/fedireads/migrations/0012_auto_20200308_1625.py
new file mode 100644
index 00000000..17071d1c
--- /dev/null
+++ b/fedireads/migrations/0012_auto_20200308_1625.py
@@ -0,0 +1,19 @@
+# Generated by Django 3.0.3 on 2020-03-08 16:25
+
+from django.db import migrations, models
+import fedireads.utils.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fedireads', '0011_notification'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='author',
+            name='aliases',
+            field=fedireads.utils.fields.ArrayField(base_field=models.CharField(max_length=255), blank=True, default=list, size=None),
+        ),
+    ]
diff --git a/fedireads/models/book.py b/fedireads/models/book.py
index 4ca1460e..04451d0d 100644
--- a/fedireads/models/book.py
+++ b/fedireads/models/book.py
@@ -79,6 +79,6 @@ class Author(FedireadsModel):
     name = models.CharField(max_length=255)
     last_name = models.CharField(max_length=255, null=True)
     first_name = models.CharField(max_length=255, null=True)
-    aliases = ArrayField(models.CharField(max_length=255), blank=True)
+    aliases = ArrayField(models.CharField(max_length=255), blank=True, default=list)
     bio = models.TextField(null=True, blank=True)