these changes shouldn't have been commited at all. my bad.

src/documents/admin.py

@@ -69,7 +69,7 @@ class DocumentAdmin(admin.ModelAdmin):
 
     filter_horizontal = ("tags",)
 
-    ordering = ["-created", "correspondent"]
+    ordering = ["-created"]
 
     date_hierarchy = "created"
 

src/documents/migrations/1009_auto_20201216_2005.py

@@ -0,0 +1,29 @@
+# Generated by Django 3.1.4 on 2020-12-16 20:05
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('documents', '1008_auto_20201216_1736'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='correspondent',
+            options={'ordering': ('name',)},
+        ),
+        migrations.AlterModelOptions(
+            name='documenttype',
+            options={'ordering': ('name',)},
+        ),
+        migrations.AlterModelOptions(
+            name='savedview',
+            options={'ordering': ('name',)},
+        ),
+        migrations.AlterModelOptions(
+            name='tag',
+            options={'ordering': ('name',)},
+        ),
+    ]

src/documents/models.py

@@ -11,7 +11,6 @@ import dateutil.parser
 from django.conf import settings
 from django.contrib.auth.models import User
 from django.db import models
-from django.db.models.functions import Lower
 from django.utils import timezone
 
 from documents.file_handling import archive_name_from_filename
@@ -61,7 +60,7 @@ class MatchingModel(models.Model):
 
     class Meta:
         abstract = True
-        ordering = (Lower("name"),)
+        ordering = ("name",)
 
     def __str__(self):
         return self.name
@@ -307,7 +306,7 @@ class SavedView(models.Model):
 
     class Meta:
 
-        ordering = (Lower("name"),)
+        ordering = ("name",)
 
     user = models.ForeignKey(User, on_delete=models.CASCADE)
     name = models.CharField(max_length=128)