diff --git a/sapl/protocoloadm/models.py b/sapl/protocoloadm/models.py
index 78caed025..e4fa79a55 100644
--- a/sapl/protocoloadm/models.py
+++ b/sapl/protocoloadm/models.py
@@ -253,11 +253,13 @@ class DocumentoAcessorioAdministrativo(models.Model):
         return self.nome
 
     def delete(self, using=None, keep_parents=False):
-        if self.arquivo:
-            self.arquivo.delete()
+        arquivo = self.arquivo
+        result = super().delete(using=using, keep_parents=keep_parents)
+
+        if arquivo:
+            arquivo.delete(save=False)
 
-        return models.Model.delete(
-            self, using=using, keep_parents=keep_parents)
+        return result
 
     def save(self, force_insert=False, force_update=False, using=None,
              update_fields=None):