diff --git a/src/c3nav/mapdata/migrations/0130_rangingbeacon_wifi_bssids.py b/src/c3nav/mapdata/migrations/0130_rangingbeacon_wifi_bssids.py
new file mode 100644
index 00000000..5f89dadf
--- /dev/null
+++ b/src/c3nav/mapdata/migrations/0130_rangingbeacon_wifi_bssids.py
@@ -0,0 +1,41 @@
+# Generated by Django 5.0.8 on 2024-12-26 21:03
+
+import django.core.serializers.json
+import django_pydantic_field.compat.django
+import django_pydantic_field.fields
+import pydantic_extra_types.mac_address
+from django.db import migrations
+
+
+def bssids_into_list(apps, schema_editor):
+    RangingBeacon = apps.get_model('mapdata', 'rangingbeacon')
+    for ranging_beacon in RangingBeacon.objects.all():
+        ranging_beacon.wifi_bssids = [ranging_beacon.wifi_bssid] if ranging_beacon.wifi_bssid else []
+        ranging_beacon.save()
+
+
+def bssid_from_list(apps, schema_editor):
+    RangingBeacon = apps.get_model('mapdata', 'rangingbeacon')
+    for ranging_beacon in RangingBeacon.objects.all():
+        ranging_beacon.wifi_bssid = ranging_beacon.wifi_bssids[0] if ranging_beacon.wifi_bssids else None
+        ranging_beacon.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0129_dataoverlay_cluster_points'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='rangingbeacon',
+            name='wifi_bssids',
+            field=django_pydantic_field.fields.PydanticSchemaField(config=None, default=list, encoder=django.core.serializers.json.DjangoJSONEncoder, help_text="uses node's value if not set", schema=django_pydantic_field.compat.django.GenericContainer(list, (pydantic_extra_types.mac_address.MacAddress,)), verbose_name='WiFi BSSIDs'),
+        ),
+        migrations.RunPython(bssids_into_list, bssid_from_list),
+        migrations.RemoveField(
+            model_name='rangingbeacon',
+            name='wifi_bssid',
+        ),
+    ]