diff --git a/sigi/apps/servicos/migrations/0019_ajusta_dominios.py b/sigi/apps/servicos/migrations/0019_ajusta_dominios.py
new file mode 100644
index 0000000..dd466a1
--- /dev/null
+++ b/sigi/apps/servicos/migrations/0019_ajusta_dominios.py
@@ -0,0 +1,48 @@
+# Generated by Django 4.1.2 on 2022-11-02 13:59
+
+from django.db import migrations
+from sigi.apps.servicos import generate_instance_name
+
+
+def dominios_fw(apps, schema_editor):
+    Servico = apps.get_model("servicos", "Servico")
+    for s in Servico.objects.filter(tipo_servico__modo="R"):
+        if s.url == "":
+            nova_url = generate_instance_name(s.casa_legislativa).replace(
+                "-", "."
+            )
+            if s.tipo_servico.sigla == "LEGBR":
+                nova_url += ".leg.br"
+            else:
+                nova_url += ".gov.br"
+        else:
+            nova_url = (
+                s.url.replace("http://", "")
+                .replace("https://", "")
+                .replace("www.", "")
+                .replace("sapl.", "")
+                .replace("/", "")
+            )
+            if nova_url.startswith("."):
+                nova_url = nova_url.replace(".", "", 1)
+        if s.url != nova_url:
+            s.url = nova_url
+            s.save()
+
+
+def dominios_rw(apps, schema_editor):
+    # Não precisa fazer nada para reverter essa migração. #
+    # esta função está aqui apenas para que a migration   #
+    # não seja irreversível e atrapalhe ajustes futuros.  #
+    pass
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("servicos", "0018_servico_flag_confirmado"),
+    ]
+
+    operations = [
+        migrations.RunPython(dominios_fw, dominios_rw),
+    ]