diff --git a/sapl/protocoloadm/forms.py b/sapl/protocoloadm/forms.py
index 375229710..3ee1599fa 100644
--- a/sapl/protocoloadm/forms.py
+++ b/sapl/protocoloadm/forms.py
@@ -287,7 +287,7 @@ class ProtocoloDocumentForm(ModelForm):
     interessado = forms.CharField(required=True,
                                   label='Interessado')
 
-    observacao = forms.CharField(required=True,
+    observacao = forms.CharField(required=False,
                                  widget=forms.Textarea, label='Observação')
 
     class Meta:
diff --git a/sapl/protocoloadm/models.py b/sapl/protocoloadm/models.py
index f3d0a56c2..5ae92f498 100644
--- a/sapl/protocoloadm/models.py
+++ b/sapl/protocoloadm/models.py
@@ -66,7 +66,7 @@ class DocumentoAdministrativo(models.Model):
         choices=YES_NO_CHOICES)
     assunto = models.TextField(verbose_name=_('Assunto'))
     observacao = models.TextField(
-        blank=True, verbose_name=_('Observação'))
+        blank=True, null=True, verbose_name=_('Observação'))
     texto_integral = models.FileField(
         blank=True,
         null=True,