diff --git a/tests/modeltests/custom_methods/models.py b/tests/modeltests/custom_methods/models.py
index 208adc20a3..3fdefca6bf 100644
--- a/tests/modeltests/custom_methods/models.py
+++ b/tests/modeltests/custom_methods/models.py
@@ -18,7 +18,7 @@ class Article(models.Model):
         return self.pub_date == datetime.date.today()
 
     def get_articles_from_same_day_1(self):
-        return Article.objects.filter(id__ne=self.id, pub_date__exact=self.pub_date)
+        return Article.objects.filter(pub_date=self.pub_date).exclude(id=self.id)
 
     def get_articles_from_same_day_2(self):
         """