diff --git a/ietf/group/migrations/0006_group_features_lists_to_jsonfield.py b/ietf/group/migrations/0006_group_features_lists_to_jsonfield.py
index be146933a..58798d8ee 100644
--- a/ietf/group/migrations/0006_group_features_lists_to_jsonfield.py
+++ b/ietf/group/migrations/0006_group_features_lists_to_jsonfield.py
@@ -17,7 +17,7 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='groupfeatures',
             name='admin_roles',
-            field=jsonfield.fields.JSONField(default=b'chair', max_length=64),
+            field=jsonfield.fields.JSONField(default=b'["chair"]', max_length=64),
         ),
         migrations.AlterField(
             model_name='groupfeatures',
@@ -37,22 +37,22 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='groupfeatures',
             name='material_types',
-            field=jsonfield.fields.JSONField(default=b'slides', max_length=64),
+            field=jsonfield.fields.JSONField(default=b'["slides"]', max_length=64),
         ),
         migrations.AlterField(
             model_name='groupfeatures',
             name='matman_roles',
-            field=jsonfield.fields.JSONField(default=b'ad,chair,delegate,secr', max_length=128),
+            field=jsonfield.fields.JSONField(default=b'["ad","chair","delegate","secr"]', max_length=128),
         ),
         migrations.AlterField(
             model_name='groupfeatures',
             name='role_order',
-            field=jsonfield.fields.JSONField(default=b'chair,secr,member', help_text=b'The order in which roles are shown, for instance on photo pages.  Enter valid JSON.', max_length=128),
+            field=jsonfield.fields.JSONField(default=b'["chair","secr","member"]', help_text=b'The order in which roles are shown, for instance on photo pages.  Enter valid JSON.', max_length=128),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='admin_roles',
-            field=jsonfield.fields.JSONField(default=b'chair', max_length=64),
+            field=jsonfield.fields.JSONField(default=b'["chair"]', max_length=64),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
@@ -72,16 +72,16 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='material_types',
-            field=jsonfield.fields.JSONField(default=b'slides', max_length=64),
+            field=jsonfield.fields.JSONField(default=b'["slides"]', max_length=64),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='matman_roles',
-            field=jsonfield.fields.JSONField(default=b'ad,chair,delegate,secr', max_length=128),
+            field=jsonfield.fields.JSONField(default=b'["ad","chair","delegate","secr"]', max_length=128),
         ),
         migrations.AlterField(
             model_name='historicalgroupfeatures',
             name='role_order',
-            field=jsonfield.fields.JSONField(default=b'chair,secr,member', help_text=b'The order in which roles are shown, for instance on photo pages.  Enter valid JSON.', max_length=128),
+            field=jsonfield.fields.JSONField(default=b'["chair","secr","member"]', help_text=b'The order in which roles are shown, for instance on photo pages.  Enter valid JSON.', max_length=128),
         ),
     ]
diff --git a/ietf/group/models.py b/ietf/group/models.py
index aad6ceb07..8cd488f0b 100644
--- a/ietf/group/models.py
+++ b/ietf/group/models.py
@@ -229,10 +229,10 @@ class GroupFeatures(models.Model):
     agenda_type             = models.ForeignKey(AgendaTypeName, null=True, default="ietf", on_delete=CASCADE)
     about_page              = models.CharField(max_length=64, blank=False, default="ietf.group.views.group_about" )
     default_tab             = models.CharField(max_length=64, blank=False, default="ietf.group.views.group_about" )
-    material_types          = jsonfield.JSONField(max_length=64, blank=False, default="slides")
-    admin_roles             = jsonfield.JSONField(max_length=64, blank=False, default="chair")
-    matman_roles            = jsonfield.JSONField(max_length=128, blank=False, default="ad,chair,delegate,secr")
-    role_order              = jsonfield.JSONField(max_length=128, blank=False, default="chair,secr,member",
+    material_types          = jsonfield.JSONField(max_length=64, blank=False, default='["slides"]')
+    admin_roles             = jsonfield.JSONField(max_length=64, blank=False, default='["chair"]')
+    matman_roles            = jsonfield.JSONField(max_length=128, blank=False, default='["ad","chair","delegate","secr"]')
+    role_order              = jsonfield.JSONField(max_length=128, blank=False, default='["chair","secr","member"]',
                                                 help_text="The order in which roles are shown, for instance on photo pages.  Enter valid JSON.")