diff --git a/django_qserializer/serialization.py b/django_qserializer/serialization.py
index 1aad6dc..ac11b45 100644
--- a/django_qserializer/serialization.py
+++ b/django_qserializer/serialization.py
@@ -106,7 +106,8 @@ def to_serialize(self, serializer=None):
 
     def _fetch_all(self):
         super()._fetch_all()
-        self._serializer._prepare_objects(self._result_cache)
+        if self._serializer:
+            self._serializer._prepare_objects(self._result_cache)
 
     def _clone(self):
         c = super()._clone()
diff --git a/django_qserializer/tests/test_serializer.py b/django_qserializer/tests/test_serializer.py
index b123c59..039b3bc 100644
--- a/django_qserializer/tests/test_serializer.py
+++ b/django_qserializer/tests/test_serializer.py
@@ -155,4 +155,12 @@ def serialize_object(self, obj):
                 'plate': obj.plate,
             }
 
-    Bus.objects.to_serialize(S).first()
+    bus = Bus.objects.to_serialize(S).first()
+    bus.serialize()
+
+
+def test_query_without_serializer(bus_fixture):
+    """
+    Regression test. Query without serializer failed.
+    """
+    Bus.objects.first()
diff --git a/setup.cfg b/setup.cfg
index a2ea54c..71aeea7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = django_qserializer
-version = 0.2.5
+version = 0.2.6
 url = https://github.com/buserbrasil/django-qserializer
 license = MIT
 author = Iuri de Silvio