diff --git a/src/pretix/base/migrations/0234_total_ordering.py b/src/pretix/base/migrations/0234_total_ordering.py
index dfbd53d53d..9cd0898137 100644
--- a/src/pretix/base/migrations/0234_total_ordering.py
+++ b/src/pretix/base/migrations/0234_total_ordering.py
@@ -41,16 +41,20 @@ class Migration(migrations.Migration):
             name='datetime',
             field=models.DateTimeField(),
         ),
-        migrations.AlterIndexTogether(
-            name='logentry',
-            index_together={('datetime', 'id')},
+        migrations.AddIndex(
+            'logentry',
+            models.Index(fields=('datetime', 'id'), name="pretixbase__datetim_b1fe5a_idx"),
         ),
-        migrations.AlterIndexTogether(
-            name='order',
-            index_together={('datetime', 'id'), ('last_modified', 'id')},
+        migrations.AddIndex(
+            'order',
+            models.Index(fields=["datetime", "id"], name="pretixbase__datetim_66aff0_idx"),
         ),
-        migrations.AlterIndexTogether(
-            name='transaction',
-            index_together={('datetime', 'id')},
+        migrations.AddIndex(
+            'order',
+            models.Index(fields=["last_modified", "id"], name="pretixbase__last_mo_4ebf8b_idx"),
+        ),
+        migrations.AddIndex(
+            'transaction',
+            models.Index(fields=('datetime', 'id'), name="pretixbase__datetim_b20405_idx"),
         ),
     ]
diff --git a/src/pretix/base/migrations/0236_reusable_media.py b/src/pretix/base/migrations/0236_reusable_media.py
index 95eb93890c..11c9a9df30 100644
--- a/src/pretix/base/migrations/0236_reusable_media.py
+++ b/src/pretix/base/migrations/0236_reusable_media.py
@@ -61,7 +61,10 @@ class Migration(migrations.Migration):
             options={
                 'ordering': ('identifier', 'type', 'organizer'),
                 'unique_together': {('identifier', 'type', 'organizer')},
-                'index_together': {('identifier', 'type', 'organizer'), ('updated', 'id')},
+                'indexes': [
+                    models.Index(fields=('identifier', 'type', 'organizer'), name='reusable_medium_organizer_index'),
+                    models.Index(fields=('updated', 'id'), name="pretixbase__updated_093277_idx")
+                ],
             },
             bases=(models.Model, pretix.base.models.base.LoggingMixin),
         ),
diff --git a/src/pretix/base/migrations/0246_bigint.py b/src/pretix/base/migrations/0246_bigint.py
index ebfedcbad6..625cf3c641 100644
--- a/src/pretix/base/migrations/0246_bigint.py
+++ b/src/pretix/base/migrations/0246_bigint.py
@@ -9,31 +9,6 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.RenameIndex(
-            model_name="logentry",
-            new_name="pretixbase__datetim_b1fe5a_idx",
-            old_fields=("datetime", "id"),
-        ),
-        migrations.RenameIndex(
-            model_name="order",
-            new_name="pretixbase__datetim_66aff0_idx",
-            old_fields=("datetime", "id"),
-        ),
-        migrations.RenameIndex(
-            model_name="order",
-            new_name="pretixbase__last_mo_4ebf8b_idx",
-            old_fields=("last_modified", "id"),
-        ),
-        migrations.RenameIndex(
-            model_name="reusablemedium",
-            new_name="pretixbase__updated_093277_idx",
-            old_fields=("updated", "id"),
-        ),
-        migrations.RenameIndex(
-            model_name="transaction",
-            new_name="pretixbase__datetim_b20405_idx",
-            old_fields=("datetime", "id"),
-        ),
         migrations.AlterField(
             model_name="attendeeprofile",
             name="id",
diff --git a/src/pretix/base/migrations/0260_alter_reusablemedium_index_together.py b/src/pretix/base/migrations/0260_alter_reusablemedium_index_together.py
index 123fc37f70..9dbbd057cc 100644
--- a/src/pretix/base/migrations/0260_alter_reusablemedium_index_together.py
+++ b/src/pretix/base/migrations/0260_alter_reusablemedium_index_together.py
@@ -1,6 +1,6 @@
 # Generated by Django 4.2.10 on 2024-04-02 15:16
 
-from django.db import migrations
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
@@ -10,8 +10,8 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.AlterIndexTogether(
-            name="reusablemedium",
-            index_together=set(),
+        migrations.RemoveIndex(
+            "reusablemedium",
+            'reusable_medium_organizer_index',
         ),
     ]
diff --git a/src/pretix/base/models/log.py b/src/pretix/base/models/log.py
index 43b5439ef9..480564f2b2 100644
--- a/src/pretix/base/models/log.py
+++ b/src/pretix/base/models/log.py
@@ -88,7 +88,7 @@ class LogEntry(models.Model):
 
     class Meta:
         ordering = ('-datetime', '-id')
-        indexes = [models.Index(fields=["datetime", "id"])]
+        indexes = [models.Index(fields=["datetime", "id"], name="pretixbase__datetim_b1fe5a_idx")]
 
     def display(self):
         from pretix.base.logentrytype_registry import log_entry_types
diff --git a/src/pretix/base/models/media.py b/src/pretix/base/models/media.py
index be8a0af9d2..d14dbdcc10 100644
--- a/src/pretix/base/models/media.py
+++ b/src/pretix/base/models/media.py
@@ -122,7 +122,7 @@ class ReusableMedium(LoggedModel):
     class Meta:
         unique_together = (("identifier", "type", "organizer"),)
         indexes = [
-            models.Index(fields=("updated", "id")),
+            models.Index(fields=("updated", "id"), name="pretixbase__updated_093277_idx"),
         ]
         ordering = "identifier", "type", "organizer"
 
diff --git a/src/pretix/base/models/orders.py b/src/pretix/base/models/orders.py
index 6ae0e027af..942f032f2c 100644
--- a/src/pretix/base/models/orders.py
+++ b/src/pretix/base/models/orders.py
@@ -337,8 +337,8 @@ class Order(LockModel, LoggedModel):
         verbose_name_plural = _("Orders")
         ordering = ("-datetime", "-pk")
         indexes = [
-            models.Index(fields=["datetime", "id"]),
-            models.Index(fields=["last_modified", "id"]),
+            models.Index(fields=["datetime", "id"], name="pretixbase__datetim_66aff0_idx"),
+            models.Index(fields=["last_modified", "id"], name="pretixbase__last_mo_4ebf8b_idx"),
         ]
         constraints = [
             models.UniqueConstraint(fields=["organizer", "code"], name="order_organizer_code_uniq"),
@@ -3102,7 +3102,7 @@ class Transaction(models.Model):
     class Meta:
         ordering = 'datetime', 'pk'
         indexes = [
-            models.Index(fields=['datetime', 'id'])
+            models.Index(fields=['datetime', 'id'], name="pretixbase__datetim_b20405_idx")
         ]
 
     def save(self, *args, **kwargs):