diff --git a/sigi/apps/servicos/__init__.py b/sigi/apps/servicos/__init__.py
index b86b8b7..4f8b58e 100644
--- a/sigi/apps/servicos/__init__.py
+++ b/sigi/apps/servicos/__init__.py
@@ -17,3 +17,22 @@ def generate_instance_name(orgao):
         return re.sub("\W+", "", to_ascii(orgao.nome)).lower()
     else:
         return f"{orgao.tipo.sigla.lower()}-{orgao.municipio.uf.sigla.lower()}"
+
+
+def nomeia_instancias(servicos, user=None):
+    from django.contrib.admin.models import LogEntry, CHANGE
+    from django.contrib.contenttypes.models import ContentType
+    from django.utils.translation import gettext as _
+
+    for s in servicos.filter(instancia=""):
+        s.instancia = generate_instance_name(s.casa_legislativa)
+        s.save()
+        if user:
+            LogEntry.objects.log_action(
+                user_id=user.id,
+                content_type_id=ContentType.objects.get_for_model(type(s)).pk,
+                object_id=s.id,
+                object_repr=str(s),
+                action_flag=CHANGE,
+                change_message=_("Adicionado nome automático da instância"),
+            )
diff --git a/sigi/apps/servicos/jobs/daily/sincroniza_rancher.py b/sigi/apps/servicos/jobs/daily/sincroniza_rancher.py
index 5969807..c578908 100644
--- a/sigi/apps/servicos/jobs/daily/sincroniza_rancher.py
+++ b/sigi/apps/servicos/jobs/daily/sincroniza_rancher.py
@@ -1,14 +1,10 @@
-import datetime
-import docutils.core
 import json
 import shutil
 from django.conf import settings
-from django.core.mail import mail_admins
-from django.template.loader import render_to_string
 from django.utils import timezone
 from django.utils.translation import gettext as _
 from django_extensions.management.jobs import DailyJob
-from sigi.apps.servicos import generate_instance_name
+from sigi.apps.servicos import generate_instance_name, nomeia_instancias
 from sigi.apps.servicos.models import Servico, TipoServico
 from sigi.apps.casas.models import Orgao
 from sigi.apps.utils.mixins import JobReportMixin
@@ -43,7 +39,12 @@ class Job(JobReportMixin, DailyJob):
         }
 
     def process(self, tipo):
-        self.nomeia_instancias(tipo)
+        nomeia_instancias(
+            servicos=Servico.objects.filter(
+                tipo_servico=tipo, data_desativacao=None, instancia=""
+            ),
+            user=self.sys_user,
+        )
         NAO_CONSTA = "*não-consta-no-rancher*"
         self.errors[tipo] = []
         self.infos[tipo] = []
@@ -210,13 +211,3 @@ class Job(JobReportMixin, DailyJob):
         self.infos[tipo].append(
             _(f"{desativados} {tipo.nome} desativados no SIGI")
         )
-
-    # Preenche o nome das instâncias com o nome padrão para os serviços com
-    # este campo em branco
-    def nomeia_instancias(self, tipo):
-        for s in Servico.objects.filter(
-            tipo_servico=tipo, data_desativacao=None, instancia=""
-        ):
-            s.instancia = generate_instance_name(s.casa_legislativa)
-            s.save()
-            self.admin_log_change(s, "Adicionado nome automático da instância")