diff --git a/protocoloadm/views.py b/protocoloadm/views.py
index 732ae2310..75638c7de 100644
--- a/protocoloadm/views.py
+++ b/protocoloadm/views.py
@@ -486,6 +486,10 @@ class ProtocoloDocumentoView(FormMixin, GenericView):
                     ano=date.today().year).aggregate(Max('numero'))
             else:
                 numeracao = Protocolo.objects.all().aggregate(Max('numero'))
+
+            if numeracao is None:
+                numeracao['numero__max'] = 0
+
             protocolo = Protocolo()
             protocolo.numero = numeracao['numero__max'] + 1
             protocolo.ano = datetime.now().year
@@ -609,6 +613,9 @@ class ProtocoloMateriaView(FormMixin, GenericView):
             else:
                 numeracao = Protocolo.objects.all().aggregate(Max('numero'))
 
+            if numeracao is None:
+                numero['numero__max'] = 0
+
             protocolo = Protocolo()
 
             protocolo.numero = numeracao['numero__max'] + 1