diff --git a/netbox/ipam/migrations/0070_vlangroup_vlan_id_ranges.py b/netbox/ipam/migrations/0070_vlangroup_vlan_id_ranges.py
index 926f4401d..b01941401 100644
--- a/netbox/ipam/migrations/0070_vlangroup_vlan_id_ranges.py
+++ b/netbox/ipam/migrations/0070_vlangroup_vlan_id_ranges.py
@@ -6,19 +6,17 @@ from django.db.backends.postgresql.psycopg_any import NumericRange
 import ipam.models.vlans
 
 
-def move_min_max(apps, schema_editor):
+def set_vid_ranges(apps, schema_editor):
+    """
+    Convert the min_vid & max_vid fields to a range in the new vid_ranges ArrayField.
+    """
     VLANGroup = apps.get_model('ipam', 'VLANGroup')
     for group in VLANGroup.objects.all():
-        if group.min_vid or group.max_vid:
-            group.vid_ranges = [
-                NumericRange(group.min_vid, group.max_vid, bounds='[]')
-            ]
-
-            group._total_vlan_ids = 0
-            for vlan_range in group.vid_ranges:
-                group._total_vlan_ids += int(vlan_range.upper) - int(vlan_range.lower) + 1
-
-            group.save()
+        group.vid_ranges = [
+            NumericRange(group.min_vid, group.max_vid, bounds='[]')
+        ]
+        group._total_vlan_ids = group.max_vid - group.min_vid + 1
+        group.save()
 
 
 class Migration(migrations.Migration):
@@ -43,7 +41,7 @@ class Migration(migrations.Migration):
             field=models.PositiveBigIntegerField(default=4094),
         ),
         migrations.RunPython(
-            code=move_min_max,
+            code=set_vid_ranges,
             reverse_code=migrations.RunPython.noop
         ),
         migrations.RemoveField(