diff --git a/sessao/migrations/0012_auto_20160120_1237.py b/sessao/migrations/0012_auto_20160120_1237.py
new file mode 100644
index 000000000..a72740276
--- /dev/null
+++ b/sessao/migrations/0012_auto_20160120_1237.py
@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sessao', '0011_auto_20160113_1239'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='registrovotacao',
+            name='expediente',
+            field=models.ForeignKey(blank=True, null=True, to='sessao.ExpedienteMateria'),
+        ),
+        migrations.AlterField(
+            model_name='registrovotacao',
+            name='ordem',
+            field=models.ForeignKey(blank=True, null=True, to='sessao.OrdemDia'),
+        ),
+    ]
diff --git a/sessao/models.py b/sessao/models.py
index 832e49b3c..46d255744 100644
--- a/sessao/models.py
+++ b/sessao/models.py
@@ -235,7 +235,8 @@ class RegistroVotacao(models.Model):
     tipo_resultado_votacao = models.ForeignKey(
         TipoResultadoVotacao, verbose_name=_('Resultado da Votação'))
     materia = models.ForeignKey(MateriaLegislativa)
-    ordem = models.ForeignKey(OrdemDia)
+    ordem = models.ForeignKey(OrdemDia, blank=True, null=True)
+    expediente = models.ForeignKey(ExpedienteMateria, blank=True, null=True)
     numero_votos_sim = models.PositiveIntegerField(verbose_name=_('Sim'))
     numero_votos_nao = models.PositiveIntegerField(verbose_name=_('Não'))
     numero_abstencoes = models.PositiveIntegerField(